Home / 22,141.25-30,554.93-13,757.75

Finding the Fourth Proportional to 22,141.25, 30,554.93 and 13,757.75

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Solution

The fourth proportional to 22,141.25, 30,554.93 and 13,757.75 is: 18,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.25 : 30,554.93 = 13,757.75 : x
  2. Step 2: Convert to fraction form
    22,141.25/30,554.93 = 13,757.75/x
  3. Step 3: Cross multiply
    22,141.25x = 30,554.93 × 13,757.75
  4. Step 4: Simplify right side
    22,141.25x = 420,367,019.42
  5. Step 5: Solve for x
    x = 420,367,019.42/22,141.25
  6. Step 6: Final answer
    x = 18,985.70

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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.