Home / 10,153.49-15,231.75-3,132.92

Finding the Fourth Proportional to 10,153.49, 15,231.75 and 3,132.92

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Solution

The fourth proportional to 10,153.49, 15,231.75 and 3,132.92 is: 4,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.49 : 15,231.75 = 3,132.92 : x
  2. Step 2: Convert to fraction form
    10,153.49/15,231.75 = 3,132.92/x
  3. Step 3: Cross multiply
    10,153.49x = 15,231.75 × 3,132.92
  4. Step 4: Simplify right side
    10,153.49x = 47,719,854.21
  5. Step 5: Solve for x
    x = 47,719,854.21/10,153.49
  6. Step 6: Final answer
    x = 4,699.85

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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.