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Finding the Fourth Proportional to 16,000.88, 22,077.78 and 9,285.65

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Solution

The fourth proportional to 16,000.88, 22,077.78 and 9,285.65 is: 12,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000.88 : 22,077.78 = 9,285.65 : x
  2. Step 2: Convert to fraction form
    16,000.88/22,077.78 = 9,285.65/x
  3. Step 3: Cross multiply
    16,000.88x = 22,077.78 × 9,285.65
  4. Step 4: Simplify right side
    16,000.88x = 205,006,537.86
  5. Step 5: Solve for x
    x = 205,006,537.86/16,000.88
  6. Step 6: Final answer
    x = 12,812.20

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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.