Home / 18,301.43-25,256-9,917.93

Finding the Fourth Proportional to 18,301.43, 25,256 and 9,917.93

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Solution

The fourth proportional to 18,301.43, 25,256 and 9,917.93 is: 13,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.43 : 25,256 = 9,917.93 : x
  2. Step 2: Convert to fraction form
    18,301.43/25,256 = 9,917.93/x
  3. Step 3: Cross multiply
    18,301.43x = 25,256 × 9,917.93
  4. Step 4: Simplify right side
    18,301.43x = 250,487,240.08
  5. Step 5: Solve for x
    x = 250,487,240.08/18,301.43
  6. Step 6: Final answer
    x = 13,686.76

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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.