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Finding the Fourth Proportional to 14,617.48, 21,915.96 and 9,925.96

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Solution

The fourth proportional to 14,617.48, 21,915.96 and 9,925.96 is: 14,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.48 : 21,915.96 = 9,925.96 : x
  2. Step 2: Convert to fraction form
    14,617.48/21,915.96 = 9,925.96/x
  3. Step 3: Cross multiply
    14,617.48x = 21,915.96 × 9,925.96
  4. Step 4: Simplify right side
    14,617.48x = 217,536,942.32
  5. Step 5: Solve for x
    x = 217,536,942.32/14,617.48
  6. Step 6: Final answer
    x = 14,881.97

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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.