Home / 17,912.76-26,818.44-13,691.18

Finding the Fourth Proportional to 17,912.76, 26,818.44 and 13,691.18

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Solution

The fourth proportional to 17,912.76, 26,818.44 and 13,691.18 is: 20,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.76 : 26,818.44 = 13,691.18 : x
  2. Step 2: Convert to fraction form
    17,912.76/26,818.44 = 13,691.18/x
  3. Step 3: Cross multiply
    17,912.76x = 26,818.44 × 13,691.18
  4. Step 4: Simplify right side
    17,912.76x = 367,176,089.36
  5. Step 5: Solve for x
    x = 367,176,089.36/17,912.76
  6. Step 6: Final answer
    x = 20,498.02

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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.