Home / 15,174.39-22,740.51-8,938.47

Finding the Fourth Proportional to 15,174.39, 22,740.51 and 8,938.47

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Solution

The fourth proportional to 15,174.39, 22,740.51 and 8,938.47 is: 13,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.39 : 22,740.51 = 8,938.47 : x
  2. Step 2: Convert to fraction form
    15,174.39/22,740.51 = 8,938.47/x
  3. Step 3: Cross multiply
    15,174.39x = 22,740.51 × 8,938.47
  4. Step 4: Simplify right side
    15,174.39x = 203,265,366.42
  5. Step 5: Solve for x
    x = 203,265,366.42/15,174.39
  6. Step 6: Final answer
    x = 13,395.29

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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.