Home / 22,691.05-34,036.71-7,889.61

Finding the Fourth Proportional to 22,691.05, 34,036.71 and 7,889.61

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Solution

The fourth proportional to 22,691.05, 34,036.71 and 7,889.61 is: 11,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.05 : 34,036.71 = 7,889.61 : x
  2. Step 2: Convert to fraction form
    22,691.05/34,036.71 = 7,889.61/x
  3. Step 3: Cross multiply
    22,691.05x = 34,036.71 × 7,889.61
  4. Step 4: Simplify right side
    22,691.05x = 268,536,197.40
  5. Step 5: Solve for x
    x = 268,536,197.40/22,691.05
  6. Step 6: Final answer
    x = 11,834.45

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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.