Home / 18,926.97-26,119.28-11,373.44

Finding the Fourth Proportional to 18,926.97, 26,119.28 and 11,373.44

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Solution

The fourth proportional to 18,926.97, 26,119.28 and 11,373.44 is: 15,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.97 : 26,119.28 = 11,373.44 : x
  2. Step 2: Convert to fraction form
    18,926.97/26,119.28 = 11,373.44/x
  3. Step 3: Cross multiply
    18,926.97x = 26,119.28 × 11,373.44
  4. Step 4: Simplify right side
    18,926.97x = 297,065,876.46
  5. Step 5: Solve for x
    x = 297,065,876.46/18,926.97
  6. Step 6: Final answer
    x = 15,695.37

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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.