Home / 10,152.05-15,229.51-3,132.64

Finding the Fourth Proportional to 10,152.05, 15,229.51 and 3,132.64

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Solution

The fourth proportional to 10,152.05, 15,229.51 and 3,132.64 is: 4,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.05 : 15,229.51 = 3,132.64 : x
  2. Step 2: Convert to fraction form
    10,152.05/15,229.51 = 3,132.64/x
  3. Step 3: Cross multiply
    10,152.05x = 15,229.51 × 3,132.64
  4. Step 4: Simplify right side
    10,152.05x = 47,708,480.40
  5. Step 5: Solve for x
    x = 47,708,480.40/10,152.05
  6. Step 6: Final answer
    x = 4,699.39

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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.