Home / 18,154.76-25,034.58-14,371.88

Finding the Fourth Proportional to 18,154.76, 25,034.58 and 14,371.88

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Solution

The fourth proportional to 18,154.76, 25,034.58 and 14,371.88 is: 19,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.76 : 25,034.58 = 14,371.88 : x
  2. Step 2: Convert to fraction form
    18,154.76/25,034.58 = 14,371.88/x
  3. Step 3: Cross multiply
    18,154.76x = 25,034.58 × 14,371.88
  4. Step 4: Simplify right side
    18,154.76x = 359,793,979.61
  5. Step 5: Solve for x
    x = 359,793,979.61/18,154.76
  6. Step 6: Final answer
    x = 19,818.16

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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.