Home / 18,630.67-25,710.42-10,132.85

Finding the Fourth Proportional to 18,630.67, 25,710.42 and 10,132.85

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Solution

The fourth proportional to 18,630.67, 25,710.42 and 10,132.85 is: 13,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.67 : 25,710.42 = 10,132.85 : x
  2. Step 2: Convert to fraction form
    18,630.67/25,710.42 = 10,132.85/x
  3. Step 3: Cross multiply
    18,630.67x = 25,710.42 × 10,132.85
  4. Step 4: Simplify right side
    18,630.67x = 260,519,829.30
  5. Step 5: Solve for x
    x = 260,519,829.30/18,630.67
  6. Step 6: Final answer
    x = 13,983.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.