Home / 9,021.39-13,517.90-6,938.88

Finding the Fourth Proportional to 9,021.39, 13,517.90 and 6,938.88

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Solution

The fourth proportional to 9,021.39, 13,517.90 and 6,938.88 is: 10,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.39 : 13,517.90 = 6,938.88 : x
  2. Step 2: Convert to fraction form
    9,021.39/13,517.90 = 6,938.88/x
  3. Step 3: Cross multiply
    9,021.39x = 13,517.90 × 6,938.88
  4. Step 4: Simplify right side
    9,021.39x = 93,799,026.59
  5. Step 5: Solve for x
    x = 93,799,026.59/9,021.39
  6. Step 6: Final answer
    x = 10,397.41

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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.