Home / 12,577.13-18,865.67-3,343.13

Finding the Fourth Proportional to 12,577.13, 18,865.67 and 3,343.13

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Solution

The fourth proportional to 12,577.13, 18,865.67 and 3,343.13 is: 5,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.13 : 18,865.67 = 3,343.13 : x
  2. Step 2: Convert to fraction form
    12,577.13/18,865.67 = 3,343.13/x
  3. Step 3: Cross multiply
    12,577.13x = 18,865.67 × 3,343.13
  4. Step 4: Simplify right side
    12,577.13x = 63,070,387.35
  5. Step 5: Solve for x
    x = 63,070,387.35/12,577.13
  6. Step 6: Final answer
    x = 5,014.69

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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.