Home / 22,419.87-30,939.62-12,348.66

Finding the Fourth Proportional to 22,419.87, 30,939.62 and 12,348.66

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Solution

The fourth proportional to 22,419.87, 30,939.62 and 12,348.66 is: 17,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.87 : 30,939.62 = 12,348.66 : x
  2. Step 2: Convert to fraction form
    22,419.87/30,939.62 = 12,348.66/x
  3. Step 3: Cross multiply
    22,419.87x = 30,939.62 × 12,348.66
  4. Step 4: Simplify right side
    22,419.87x = 382,062,878.78
  5. Step 5: Solve for x
    x = 382,062,878.78/22,419.87
  6. Step 6: Final answer
    x = 17,041.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.