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Finding the Fourth Proportional to 16,358.53, 22,575.94 and 9,285.41

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Solution

The fourth proportional to 16,358.53, 22,575.94 and 9,285.41 is: 12,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.53 : 22,575.94 = 9,285.41 : x
  2. Step 2: Convert to fraction form
    16,358.53/22,575.94 = 9,285.41/x
  3. Step 3: Cross multiply
    16,358.53x = 22,575.94 × 9,285.41
  4. Step 4: Simplify right side
    16,358.53x = 209,626,859.04
  5. Step 5: Solve for x
    x = 209,626,859.04/16,358.53
  6. Step 6: Final answer
    x = 12,814.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.