Home / 18,214.71-25,126.79-11,497.92

Finding the Fourth Proportional to 18,214.71, 25,126.79 and 11,497.92

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Solution

The fourth proportional to 18,214.71, 25,126.79 and 11,497.92 is: 15,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.71 : 25,126.79 = 11,497.92 : x
  2. Step 2: Convert to fraction form
    18,214.71/25,126.79 = 11,497.92/x
  3. Step 3: Cross multiply
    18,214.71x = 25,126.79 × 11,497.92
  4. Step 4: Simplify right side
    18,214.71x = 288,905,763.79
  5. Step 5: Solve for x
    x = 288,905,763.79/18,214.71
  6. Step 6: Final answer
    x = 15,861.12

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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.