Home / 13,560.32-18,713.12-7,591.92

Finding the Fourth Proportional to 13,560.32, 18,713.12 and 7,591.92

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Solution

The fourth proportional to 13,560.32, 18,713.12 and 7,591.92 is: 10,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.32 : 18,713.12 = 7,591.92 : x
  2. Step 2: Convert to fraction form
    13,560.32/18,713.12 = 7,591.92/x
  3. Step 3: Cross multiply
    13,560.32x = 18,713.12 × 7,591.92
  4. Step 4: Simplify right side
    13,560.32x = 142,068,509.99
  5. Step 5: Solve for x
    x = 142,068,509.99/13,560.32
  6. Step 6: Final answer
    x = 10,476.78

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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.