Home / 18,218.20-25,141.41-10,151.87

Finding the Fourth Proportional to 18,218.20, 25,141.41 and 10,151.87

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Solution

The fourth proportional to 18,218.20, 25,141.41 and 10,151.87 is: 14,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.20 : 25,141.41 = 10,151.87 : x
  2. Step 2: Convert to fraction form
    18,218.20/25,141.41 = 10,151.87/x
  3. Step 3: Cross multiply
    18,218.20x = 25,141.41 × 10,151.87
  4. Step 4: Simplify right side
    18,218.20x = 255,232,149.47
  5. Step 5: Solve for x
    x = 255,232,149.47/18,218.20
  6. Step 6: Final answer
    x = 14,009.74

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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.