Home / 22,269.98-33,381.84-13,930.88

Finding the Fourth Proportional to 22,269.98, 33,381.84 and 13,930.88

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Solution

The fourth proportional to 22,269.98, 33,381.84 and 13,930.88 is: 20,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.98 : 33,381.84 = 13,930.88 : x
  2. Step 2: Convert to fraction form
    22,269.98/33,381.84 = 13,930.88/x
  3. Step 3: Cross multiply
    22,269.98x = 33,381.84 × 13,930.88
  4. Step 4: Simplify right side
    22,269.98x = 465,038,407.22
  5. Step 5: Solve for x
    x = 465,038,407.22/22,269.98
  6. Step 6: Final answer
    x = 20,881.85

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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.