Home / 15,462.95-23,155.17-12,957.55

Finding the Fourth Proportional to 15,462.95, 23,155.17 and 12,957.55

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Solution

The fourth proportional to 15,462.95, 23,155.17 and 12,957.55 is: 19,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.95 : 23,155.17 = 12,957.55 : x
  2. Step 2: Convert to fraction form
    15,462.95/23,155.17 = 12,957.55/x
  3. Step 3: Cross multiply
    15,462.95x = 23,155.17 × 12,957.55
  4. Step 4: Simplify right side
    15,462.95x = 300,034,092.47
  5. Step 5: Solve for x
    x = 300,034,092.47/15,462.95
  6. Step 6: Final answer
    x = 19,403.42

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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.