Home / 18,942.59-28,422.08-10,167.26

Finding the Fourth Proportional to 18,942.59, 28,422.08 and 10,167.26

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Solution

The fourth proportional to 18,942.59, 28,422.08 and 10,167.26 is: 15,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.59 : 28,422.08 = 10,167.26 : x
  2. Step 2: Convert to fraction form
    18,942.59/28,422.08 = 10,167.26/x
  3. Step 3: Cross multiply
    18,942.59x = 28,422.08 × 10,167.26
  4. Step 4: Simplify right side
    18,942.59x = 288,974,560.41
  5. Step 5: Solve for x
    x = 288,974,560.41/18,942.59
  6. Step 6: Final answer
    x = 15,255.28

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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.