Home / 18,134.28-24,973.92-15,743.16

Finding the Fourth Proportional to 18,134.28, 24,973.92 and 15,743.16

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Solution

The fourth proportional to 18,134.28, 24,973.92 and 15,743.16 is: 21,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.28 : 24,973.92 = 15,743.16 : x
  2. Step 2: Convert to fraction form
    18,134.28/24,973.92 = 15,743.16/x
  3. Step 3: Cross multiply
    18,134.28x = 24,973.92 × 15,743.16
  4. Step 4: Simplify right side
    18,134.28x = 393,168,418.39
  5. Step 5: Solve for x
    x = 393,168,418.39/18,134.28
  6. Step 6: Final answer
    x = 21,680.95

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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.