Home / 12,472.73-18,717.30-4,681.55

Finding the Fourth Proportional to 12,472.73, 18,717.30 and 4,681.55

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Solution

The fourth proportional to 12,472.73, 18,717.30 and 4,681.55 is: 7,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.73 : 18,717.30 = 4,681.55 : x
  2. Step 2: Convert to fraction form
    12,472.73/18,717.30 = 4,681.55/x
  3. Step 3: Cross multiply
    12,472.73x = 18,717.30 × 4,681.55
  4. Step 4: Simplify right side
    12,472.73x = 87,625,930.49
  5. Step 5: Solve for x
    x = 87,625,930.49/12,472.73
  6. Step 6: Final answer
    x = 7,025.40

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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.