Home / 19,838.66-29,758.12-6,691.14

Finding the Fourth Proportional to 19,838.66, 29,758.12 and 6,691.14

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Solution

The fourth proportional to 19,838.66, 29,758.12 and 6,691.14 is: 10,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.66 : 29,758.12 = 6,691.14 : x
  2. Step 2: Convert to fraction form
    19,838.66/29,758.12 = 6,691.14/x
  3. Step 3: Cross multiply
    19,838.66x = 29,758.12 × 6,691.14
  4. Step 4: Simplify right side
    19,838.66x = 199,115,730.33
  5. Step 5: Solve for x
    x = 199,115,730.33/19,838.66
  6. Step 6: Final answer
    x = 10,036.76

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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.