Home / 18,086.94-24,960.42-10,130.78

Finding the Fourth Proportional to 18,086.94, 24,960.42 and 10,130.78

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Solution

The fourth proportional to 18,086.94, 24,960.42 and 10,130.78 is: 13,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.94 : 24,960.42 = 10,130.78 : x
  2. Step 2: Convert to fraction form
    18,086.94/24,960.42 = 10,130.78/x
  3. Step 3: Cross multiply
    18,086.94x = 24,960.42 × 10,130.78
  4. Step 4: Simplify right side
    18,086.94x = 252,868,586.13
  5. Step 5: Solve for x
    x = 252,868,586.13/18,086.94
  6. Step 6: Final answer
    x = 13,980.73

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Double scale
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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.