Home / 10,280.28-15,410.70-9,337.44

Finding the Fourth Proportional to 10,280.28, 15,410.70 and 9,337.44

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Solution

The fourth proportional to 10,280.28, 15,410.70 and 9,337.44 is: 13,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.28 : 15,410.70 = 9,337.44 : x
  2. Step 2: Convert to fraction form
    10,280.28/15,410.70 = 9,337.44/x
  3. Step 3: Cross multiply
    10,280.28x = 15,410.70 × 9,337.44
  4. Step 4: Simplify right side
    10,280.28x = 143,896,486.61
  5. Step 5: Solve for x
    x = 143,896,486.61/10,280.28
  6. Step 6: Final answer
    x = 13,997.33

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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.