Home / 10,213.54-15,316.36-3,972.71

Finding the Fourth Proportional to 10,213.54, 15,316.36 and 3,972.71

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Solution

The fourth proportional to 10,213.54, 15,316.36 and 3,972.71 is: 5,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.54 : 15,316.36 = 3,972.71 : x
  2. Step 2: Convert to fraction form
    10,213.54/15,316.36 = 3,972.71/x
  3. Step 3: Cross multiply
    10,213.54x = 15,316.36 × 3,972.71
  4. Step 4: Simplify right side
    10,213.54x = 60,847,456.54
  5. Step 5: Solve for x
    x = 60,847,456.54/10,213.54
  6. Step 6: Final answer
    x = 5,957.53

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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.