Home / 15,151.80-22,727.70-4,207.80

Finding the Fourth Proportional to 15,151.80, 22,727.70 and 4,207.80

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Solution

The fourth proportional to 15,151.80, 22,727.70 and 4,207.80 is: 6,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.80 : 22,727.70 = 4,207.80 : x
  2. Step 2: Convert to fraction form
    15,151.80/22,727.70 = 4,207.80/x
  3. Step 3: Cross multiply
    15,151.80x = 22,727.70 × 4,207.80
  4. Step 4: Simplify right side
    15,151.80x = 95,633,616.06
  5. Step 5: Solve for x
    x = 95,633,616.06/15,151.80
  6. Step 6: Final answer
    x = 6,311.70

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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.