Home / 14,959.91-22,432.70-8,721.72

Finding the Fourth Proportional to 14,959.91, 22,432.70 and 8,721.72

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Solution

The fourth proportional to 14,959.91, 22,432.70 and 8,721.72 is: 13,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.91 : 22,432.70 = 8,721.72 : x
  2. Step 2: Convert to fraction form
    14,959.91/22,432.70 = 8,721.72/x
  3. Step 3: Cross multiply
    14,959.91x = 22,432.70 × 8,721.72
  4. Step 4: Simplify right side
    14,959.91x = 195,651,684.64
  5. Step 5: Solve for x
    x = 195,651,684.64/14,959.91
  6. Step 6: Final answer
    x = 13,078.40

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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.