Home / 15,915.18-23,869.68-15,124.89

Finding the Fourth Proportional to 15,915.18, 23,869.68 and 15,124.89

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Solution

The fourth proportional to 15,915.18, 23,869.68 and 15,124.89 is: 22,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.18 : 23,869.68 = 15,124.89 : x
  2. Step 2: Convert to fraction form
    15,915.18/23,869.68 = 15,124.89/x
  3. Step 3: Cross multiply
    15,915.18x = 23,869.68 × 15,124.89
  4. Step 4: Simplify right side
    15,915.18x = 361,026,284.34
  5. Step 5: Solve for x
    x = 361,026,284.34/15,915.18
  6. Step 6: Final answer
    x = 22,684.40

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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.