Home / 19,531.66-29,284.47-6,379.42

Finding the Fourth Proportional to 19,531.66, 29,284.47 and 6,379.42

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Solution

The fourth proportional to 19,531.66, 29,284.47 and 6,379.42 is: 9,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.66 : 29,284.47 = 6,379.42 : x
  2. Step 2: Convert to fraction form
    19,531.66/29,284.47 = 6,379.42/x
  3. Step 3: Cross multiply
    19,531.66x = 29,284.47 × 6,379.42
  4. Step 4: Simplify right side
    19,531.66x = 186,817,933.61
  5. Step 5: Solve for x
    x = 186,817,933.61/19,531.66
  6. Step 6: Final answer
    x = 9,564.88

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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.