Home / 18,271.17-27,407.77-5,124.56

Finding the Fourth Proportional to 18,271.17, 27,407.77 and 5,124.56

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Solution

The fourth proportional to 18,271.17, 27,407.77 and 5,124.56 is: 7,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.17 : 27,407.77 = 5,124.56 : x
  2. Step 2: Convert to fraction form
    18,271.17/27,407.77 = 5,124.56/x
  3. Step 3: Cross multiply
    18,271.17x = 27,407.77 × 5,124.56
  4. Step 4: Simplify right side
    18,271.17x = 140,452,611.98
  5. Step 5: Solve for x
    x = 140,452,611.98/18,271.17
  6. Step 6: Final answer
    x = 7,687.12

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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.