Home / 19,531.41-29,280.71-6,376.61

Finding the Fourth Proportional to 19,531.41, 29,280.71 and 6,376.61

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Solution

The fourth proportional to 19,531.41, 29,280.71 and 6,376.61 is: 9,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.41 : 29,280.71 = 6,376.61 : x
  2. Step 2: Convert to fraction form
    19,531.41/29,280.71 = 6,376.61/x
  3. Step 3: Cross multiply
    19,531.41x = 29,280.71 × 6,376.61
  4. Step 4: Simplify right side
    19,531.41x = 186,711,489.91
  5. Step 5: Solve for x
    x = 186,711,489.91/19,531.41
  6. Step 6: Final answer
    x = 9,559.55

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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.