Home / 22,110.80-30,515.82-12,677.56

Finding the Fourth Proportional to 22,110.80, 30,515.82 and 12,677.56

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Solution

The fourth proportional to 22,110.80, 30,515.82 and 12,677.56 is: 17,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.80 : 30,515.82 = 12,677.56 : x
  2. Step 2: Convert to fraction form
    22,110.80/30,515.82 = 12,677.56/x
  3. Step 3: Cross multiply
    22,110.80x = 30,515.82 × 12,677.56
  4. Step 4: Simplify right side
    22,110.80x = 386,866,139.00
  5. Step 5: Solve for x
    x = 386,866,139.00/22,110.80
  6. Step 6: Final answer
    x = 17,496.70

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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.