Home / 18,176.81-25,086.24-10,218.86

Finding the Fourth Proportional to 18,176.81, 25,086.24 and 10,218.86

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Solution

The fourth proportional to 18,176.81, 25,086.24 and 10,218.86 is: 14,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.81 : 25,086.24 = 10,218.86 : x
  2. Step 2: Convert to fraction form
    18,176.81/25,086.24 = 10,218.86/x
  3. Step 3: Cross multiply
    18,176.81x = 25,086.24 × 10,218.86
  4. Step 4: Simplify right side
    18,176.81x = 256,352,774.49
  5. Step 5: Solve for x
    x = 256,352,774.49/18,176.81
  6. Step 6: Final answer
    x = 14,103.29

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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.