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Finding the Fourth Proportional to 19,959.66, 29,944.29 and 10,098.66

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Solution

The fourth proportional to 19,959.66, 29,944.29 and 10,098.66 is: 15,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.66 : 29,944.29 = 10,098.66 : x
  2. Step 2: Convert to fraction form
    19,959.66/29,944.29 = 10,098.66/x
  3. Step 3: Cross multiply
    19,959.66x = 29,944.29 × 10,098.66
  4. Step 4: Simplify right side
    19,959.66x = 302,397,203.65
  5. Step 5: Solve for x
    x = 302,397,203.65/19,959.66
  6. Step 6: Final answer
    x = 15,150.42

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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.