Home / 9,431.03-13,015.06-5,182.19

Finding the Fourth Proportional to 9,431.03, 13,015.06 and 5,182.19

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Solution

The fourth proportional to 9,431.03, 13,015.06 and 5,182.19 is: 7,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.03 : 13,015.06 = 5,182.19 : x
  2. Step 2: Convert to fraction form
    9,431.03/13,015.06 = 5,182.19/x
  3. Step 3: Cross multiply
    9,431.03x = 13,015.06 × 5,182.19
  4. Step 4: Simplify right side
    9,431.03x = 67,446,513.78
  5. Step 5: Solve for x
    x = 67,446,513.78/9,431.03
  6. Step 6: Final answer
    x = 7,151.55

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,432.03, 13,016.44 and 5,183.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.