Home / 15,145.66-22,700.07-8,108.38

Finding the Fourth Proportional to 15,145.66, 22,700.07 and 8,108.38

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Solution

The fourth proportional to 15,145.66, 22,700.07 and 8,108.38 is: 12,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.66 : 22,700.07 = 8,108.38 : x
  2. Step 2: Convert to fraction form
    15,145.66/22,700.07 = 8,108.38/x
  3. Step 3: Cross multiply
    15,145.66x = 22,700.07 × 8,108.38
  4. Step 4: Simplify right side
    15,145.66x = 184,060,793.59
  5. Step 5: Solve for x
    x = 184,060,793.59/15,145.66
  6. Step 6: Final answer
    x = 12,152.71

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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.