Home / 15,002.99-22,505.78-3,909.68

Finding the Fourth Proportional to 15,002.99, 22,505.78 and 3,909.68

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Solution

The fourth proportional to 15,002.99, 22,505.78 and 3,909.68 is: 5,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.99 : 22,505.78 = 3,909.68 : x
  2. Step 2: Convert to fraction form
    15,002.99/22,505.78 = 3,909.68/x
  3. Step 3: Cross multiply
    15,002.99x = 22,505.78 × 3,909.68
  4. Step 4: Simplify right side
    15,002.99x = 87,990,506.19
  5. Step 5: Solve for x
    x = 87,990,506.19/15,002.99
  6. Step 6: Final answer
    x = 5,864.87

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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.