Home / 12,545.41-18,817.53-5,148.04

Finding the Fourth Proportional to 12,545.41, 18,817.53 and 5,148.04

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Solution

The fourth proportional to 12,545.41, 18,817.53 and 5,148.04 is: 7,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.41 : 18,817.53 = 5,148.04 : x
  2. Step 2: Convert to fraction form
    12,545.41/18,817.53 = 5,148.04/x
  3. Step 3: Cross multiply
    12,545.41x = 18,817.53 × 5,148.04
  4. Step 4: Simplify right side
    12,545.41x = 96,873,397.14
  5. Step 5: Solve for x
    x = 96,873,397.14/12,545.41
  6. Step 6: Final answer
    x = 7,721.82

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1.5x scale

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.