Home / 18,656.24-27,984.35-6,172.91

Finding the Fourth Proportional to 18,656.24, 27,984.35 and 6,172.91

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Solution

The fourth proportional to 18,656.24, 27,984.35 and 6,172.91 is: 9,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.24 : 27,984.35 = 6,172.91 : x
  2. Step 2: Convert to fraction form
    18,656.24/27,984.35 = 6,172.91/x
  3. Step 3: Cross multiply
    18,656.24x = 27,984.35 × 6,172.91
  4. Step 4: Simplify right side
    18,656.24x = 172,744,854.41
  5. Step 5: Solve for x
    x = 172,744,854.41/18,656.24
  6. Step 6: Final answer
    x = 9,259.36

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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.