Home / 9,431.40-13,015.26-5,182.44

Finding the Fourth Proportional to 9,431.40, 13,015.26 and 5,182.44

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Solution

The fourth proportional to 9,431.40, 13,015.26 and 5,182.44 is: 7,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.40 : 13,015.26 = 5,182.44 : x
  2. Step 2: Convert to fraction form
    9,431.40/13,015.26 = 5,182.44/x
  3. Step 3: Cross multiply
    9,431.40x = 13,015.26 × 5,182.44
  4. Step 4: Simplify right side
    9,431.40x = 67,450,804.03
  5. Step 5: Solve for x
    x = 67,450,804.03/9,431.40
  6. Step 6: Final answer
    x = 7,151.73

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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.