Home / 10,092.60-15,138.90-7,306.20

Finding the Fourth Proportional to 10,092.60, 15,138.90 and 7,306.20

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Solution

The fourth proportional to 10,092.60, 15,138.90 and 7,306.20 is: 10,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.60 : 15,138.90 = 7,306.20 : x
  2. Step 2: Convert to fraction form
    10,092.60/15,138.90 = 7,306.20/x
  3. Step 3: Cross multiply
    10,092.60x = 15,138.90 × 7,306.20
  4. Step 4: Simplify right side
    10,092.60x = 110,607,831.18
  5. Step 5: Solve for x
    x = 110,607,831.18/10,092.60
  6. Step 6: Final answer
    x = 10,959.30

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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.