Home / 15,000.38-22,479.62-7,099.86

Finding the Fourth Proportional to 15,000.38, 22,479.62 and 7,099.86

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Solution

The fourth proportional to 15,000.38, 22,479.62 and 7,099.86 is: 10,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.38 : 22,479.62 = 7,099.86 : x
  2. Step 2: Convert to fraction form
    15,000.38/22,479.62 = 7,099.86/x
  3. Step 3: Cross multiply
    15,000.38x = 22,479.62 × 7,099.86
  4. Step 4: Simplify right side
    15,000.38x = 159,602,154.85
  5. Step 5: Solve for x
    x = 159,602,154.85/15,000.38
  6. Step 6: Final answer
    x = 10,639.87

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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.