Home / 10,280.68-15,426.12-4,737.92

Finding the Fourth Proportional to 10,280.68, 15,426.12 and 4,737.92

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Solution

The fourth proportional to 10,280.68, 15,426.12 and 4,737.92 is: 7,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.68 : 15,426.12 = 4,737.92 : x
  2. Step 2: Convert to fraction form
    10,280.68/15,426.12 = 4,737.92/x
  3. Step 3: Cross multiply
    10,280.68x = 15,426.12 × 4,737.92
  4. Step 4: Simplify right side
    10,280.68x = 73,087,761.04
  5. Step 5: Solve for x
    x = 73,087,761.04/10,280.68
  6. Step 6: Final answer
    x = 7,109.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.