Home / 15,096.72-22,677.92-13,128.44

Finding the Fourth Proportional to 15,096.72, 22,677.92 and 13,128.44

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Solution

The fourth proportional to 15,096.72, 22,677.92 and 13,128.44 is: 19,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.72 : 22,677.92 = 13,128.44 : x
  2. Step 2: Convert to fraction form
    15,096.72/22,677.92 = 13,128.44/x
  3. Step 3: Cross multiply
    15,096.72x = 22,677.92 × 13,128.44
  4. Step 4: Simplify right side
    15,096.72x = 297,725,712.04
  5. Step 5: Solve for x
    x = 297,725,712.04/15,096.72
  6. Step 6: Final answer
    x = 19,721.22

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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.