Home / 19,743.41-29,620.28-8,652.29

Finding the Fourth Proportional to 19,743.41, 29,620.28 and 8,652.29

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Solution

The fourth proportional to 19,743.41, 29,620.28 and 8,652.29 is: 12,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.41 : 29,620.28 = 8,652.29 : x
  2. Step 2: Convert to fraction form
    19,743.41/29,620.28 = 8,652.29/x
  3. Step 3: Cross multiply
    19,743.41x = 29,620.28 × 8,652.29
  4. Step 4: Simplify right side
    19,743.41x = 256,283,125.97
  5. Step 5: Solve for x
    x = 256,283,125.97/19,743.41
  6. Step 6: Final answer
    x = 12,980.69

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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.