Home / 9,431.59-13,015.82-5,182.62

Finding the Fourth Proportional to 9,431.59, 13,015.82 and 5,182.62

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Solution

The fourth proportional to 9,431.59, 13,015.82 and 5,182.62 is: 7,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.59 : 13,015.82 = 5,182.62 : x
  2. Step 2: Convert to fraction form
    9,431.59/13,015.82 = 5,182.62/x
  3. Step 3: Cross multiply
    9,431.59x = 13,015.82 × 5,182.62
  4. Step 4: Simplify right side
    9,431.59x = 67,455,983.97
  5. Step 5: Solve for x
    x = 67,455,983.97/9,431.59
  6. Step 6: Final answer
    x = 7,152.14

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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.