Home / 18,254.52-25,191.20-10,296.72

Finding the Fourth Proportional to 18,254.52, 25,191.20 and 10,296.72

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Solution

The fourth proportional to 18,254.52, 25,191.20 and 10,296.72 is: 14,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.52 : 25,191.20 = 10,296.72 : x
  2. Step 2: Convert to fraction form
    18,254.52/25,191.20 = 10,296.72/x
  3. Step 3: Cross multiply
    18,254.52x = 25,191.20 × 10,296.72
  4. Step 4: Simplify right side
    18,254.52x = 259,386,732.86
  5. Step 5: Solve for x
    x = 259,386,732.86/18,254.52
  6. Step 6: Final answer
    x = 14,209.45

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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.