Home / 15,828.50-21,841.44-8,753.96

Finding the Fourth Proportional to 15,828.50, 21,841.44 and 8,753.96

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Solution

The fourth proportional to 15,828.50, 21,841.44 and 8,753.96 is: 12,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.50 : 21,841.44 = 8,753.96 : x
  2. Step 2: Convert to fraction form
    15,828.50/21,841.44 = 8,753.96/x
  3. Step 3: Cross multiply
    15,828.50x = 21,841.44 × 8,753.96
  4. Step 4: Simplify right side
    15,828.50x = 191,199,092.10
  5. Step 5: Solve for x
    x = 191,199,092.10/15,828.50
  6. Step 6: Final answer
    x = 12,079.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.