Home / 19,864.11-29,796.18-7,387.29

Finding the Fourth Proportional to 19,864.11, 29,796.18 and 7,387.29

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Solution

The fourth proportional to 19,864.11, 29,796.18 and 7,387.29 is: 11,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.11 : 29,796.18 = 7,387.29 : x
  2. Step 2: Convert to fraction form
    19,864.11/29,796.18 = 7,387.29/x
  3. Step 3: Cross multiply
    19,864.11x = 29,796.18 × 7,387.29
  4. Step 4: Simplify right side
    19,864.11x = 220,113,022.55
  5. Step 5: Solve for x
    x = 220,113,022.55/19,864.11
  6. Step 6: Final answer
    x = 11,080.94

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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.