Home / 10,281.92-15,402.32-4,727.65

Finding the Fourth Proportional to 10,281.92, 15,402.32 and 4,727.65

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Solution

The fourth proportional to 10,281.92, 15,402.32 and 4,727.65 is: 7,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.92 : 15,402.32 = 4,727.65 : x
  2. Step 2: Convert to fraction form
    10,281.92/15,402.32 = 4,727.65/x
  3. Step 3: Cross multiply
    10,281.92x = 15,402.32 × 4,727.65
  4. Step 4: Simplify right side
    10,281.92x = 72,816,778.15
  5. Step 5: Solve for x
    x = 72,816,778.15/10,281.92
  6. Step 6: Final answer
    x = 7,082.02

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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.