Home / 17,872.27-24,664.90-9,915.37

Finding the Fourth Proportional to 17,872.27, 24,664.90 and 9,915.37

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Solution

The fourth proportional to 17,872.27, 24,664.90 and 9,915.37 is: 13,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.27 : 24,664.90 = 9,915.37 : x
  2. Step 2: Convert to fraction form
    17,872.27/24,664.90 = 9,915.37/x
  3. Step 3: Cross multiply
    17,872.27x = 24,664.90 × 9,915.37
  4. Step 4: Simplify right side
    17,872.27x = 244,561,486.19
  5. Step 5: Solve for x
    x = 244,561,486.19/17,872.27
  6. Step 6: Final answer
    x = 13,683.86

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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.