Home / 15,019.80-22,529.70-9,187.80

Finding the Fourth Proportional to 15,019.80, 22,529.70 and 9,187.80

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Solution

The fourth proportional to 15,019.80, 22,529.70 and 9,187.80 is: 13,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.80 : 22,529.70 = 9,187.80 : x
  2. Step 2: Convert to fraction form
    15,019.80/22,529.70 = 9,187.80/x
  3. Step 3: Cross multiply
    15,019.80x = 22,529.70 × 9,187.80
  4. Step 4: Simplify right side
    15,019.80x = 206,998,377.66
  5. Step 5: Solve for x
    x = 206,998,377.66/15,019.80
  6. Step 6: Final answer
    x = 13,781.70

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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.