Home / 12,061.76-18,092.68-4,270.80

Finding the Fourth Proportional to 12,061.76, 18,092.68 and 4,270.80

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Solution

The fourth proportional to 12,061.76, 18,092.68 and 4,270.80 is: 6,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.76 : 18,092.68 = 4,270.80 : x
  2. Step 2: Convert to fraction form
    12,061.76/18,092.68 = 4,270.80/x
  3. Step 3: Cross multiply
    12,061.76x = 18,092.68 × 4,270.80
  4. Step 4: Simplify right side
    12,061.76x = 77,270,217.74
  5. Step 5: Solve for x
    x = 77,270,217.74/12,061.76
  6. Step 6: Final answer
    x = 6,406.21

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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.