Home / 12,459.26-18,691.05-3,695.06

Finding the Fourth Proportional to 12,459.26, 18,691.05 and 3,695.06

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Solution

The fourth proportional to 12,459.26, 18,691.05 and 3,695.06 is: 5,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.26 : 18,691.05 = 3,695.06 : x
  2. Step 2: Convert to fraction form
    12,459.26/18,691.05 = 3,695.06/x
  3. Step 3: Cross multiply
    12,459.26x = 18,691.05 × 3,695.06
  4. Step 4: Simplify right side
    12,459.26x = 69,064,551.21
  5. Step 5: Solve for x
    x = 69,064,551.21/12,459.26
  6. Step 6: Final answer
    x = 5,543.23

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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.