Home / 13,569.28-18,711.84-9,092.32

Finding the Fourth Proportional to 13,569.28, 18,711.84 and 9,092.32

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Solution

The fourth proportional to 13,569.28, 18,711.84 and 9,092.32 is: 12,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.28 : 18,711.84 = 9,092.32 : x
  2. Step 2: Convert to fraction form
    13,569.28/18,711.84 = 9,092.32/x
  3. Step 3: Cross multiply
    13,569.28x = 18,711.84 × 9,092.32
  4. Step 4: Simplify right side
    13,569.28x = 170,134,037.07
  5. Step 5: Solve for x
    x = 170,134,037.07/13,569.28
  6. Step 6: Final answer
    x = 12,538.18

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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.