Home / 15,151.40-22,727.10-6,840.80

Finding the Fourth Proportional to 15,151.40, 22,727.10 and 6,840.80

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Solution

The fourth proportional to 15,151.40, 22,727.10 and 6,840.80 is: 10,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.40 : 22,727.10 = 6,840.80 : x
  2. Step 2: Convert to fraction form
    15,151.40/22,727.10 = 6,840.80/x
  3. Step 3: Cross multiply
    15,151.40x = 22,727.10 × 6,840.80
  4. Step 4: Simplify right side
    15,151.40x = 155,471,545.68
  5. Step 5: Solve for x
    x = 155,471,545.68/15,151.40
  6. Step 6: Final answer
    x = 10,261.20

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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.