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Finding the Fourth Proportional to 22,908.18, 34,329.87 and 9,747.30

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Solution

The fourth proportional to 22,908.18, 34,329.87 and 9,747.30 is: 14,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.18 : 34,329.87 = 9,747.30 : x
  2. Step 2: Convert to fraction form
    22,908.18/34,329.87 = 9,747.30/x
  3. Step 3: Cross multiply
    22,908.18x = 34,329.87 × 9,747.30
  4. Step 4: Simplify right side
    22,908.18x = 334,623,541.85
  5. Step 5: Solve for x
    x = 334,623,541.85/22,908.18
  6. Step 6: Final answer
    x = 14,607.16

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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.