Home / 12,290.28-18,424.35-4,497.27

Finding the Fourth Proportional to 12,290.28, 18,424.35 and 4,497.27

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Solution

The fourth proportional to 12,290.28, 18,424.35 and 4,497.27 is: 6,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.28 : 18,424.35 = 4,497.27 : x
  2. Step 2: Convert to fraction form
    12,290.28/18,424.35 = 4,497.27/x
  3. Step 3: Cross multiply
    12,290.28x = 18,424.35 × 4,497.27
  4. Step 4: Simplify right side
    12,290.28x = 82,859,276.52
  5. Step 5: Solve for x
    x = 82,859,276.52/12,290.28
  6. Step 6: Final answer
    x = 6,741.85

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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.