Home / 17,818.28-26,726.45-6,724.70

Finding the Fourth Proportional to 17,818.28, 26,726.45 and 6,724.70

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Solution

The fourth proportional to 17,818.28, 26,726.45 and 6,724.70 is: 10,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.28 : 26,726.45 = 6,724.70 : x
  2. Step 2: Convert to fraction form
    17,818.28/26,726.45 = 6,724.70/x
  3. Step 3: Cross multiply
    17,818.28x = 26,726.45 × 6,724.70
  4. Step 4: Simplify right side
    17,818.28x = 179,727,191.06
  5. Step 5: Solve for x
    x = 179,727,191.06/17,818.28
  6. Step 6: Final answer
    x = 10,086.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.