Home / 10,428.38-15,627.96-5,750.59

Finding the Fourth Proportional to 10,428.38, 15,627.96 and 5,750.59

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Solution

The fourth proportional to 10,428.38, 15,627.96 and 5,750.59 is: 8,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.38 : 15,627.96 = 5,750.59 : x
  2. Step 2: Convert to fraction form
    10,428.38/15,627.96 = 5,750.59/x
  3. Step 3: Cross multiply
    10,428.38x = 15,627.96 × 5,750.59
  4. Step 4: Simplify right side
    10,428.38x = 89,869,990.50
  5. Step 5: Solve for x
    x = 89,869,990.50/10,428.38
  6. Step 6: Final answer
    x = 8,617.83

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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.