Home / 15,001.57-22,505.54-5,138.20

Finding the Fourth Proportional to 15,001.57, 22,505.54 and 5,138.20

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Solution

The fourth proportional to 15,001.57, 22,505.54 and 5,138.20 is: 7,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.57 : 22,505.54 = 5,138.20 : x
  2. Step 2: Convert to fraction form
    15,001.57/22,505.54 = 5,138.20/x
  3. Step 3: Cross multiply
    15,001.57x = 22,505.54 × 5,138.20
  4. Step 4: Simplify right side
    15,001.57x = 115,637,874.81
  5. Step 5: Solve for x
    x = 115,637,874.81/15,001.57
  6. Step 6: Final answer
    x = 7,708.39

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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.