Home / 13,244.89-18,279.70-8,542.84

Finding the Fourth Proportional to 13,244.89, 18,279.70 and 8,542.84

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Solution

The fourth proportional to 13,244.89, 18,279.70 and 8,542.84 is: 11,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.89 : 18,279.70 = 8,542.84 : x
  2. Step 2: Convert to fraction form
    13,244.89/18,279.70 = 8,542.84/x
  3. Step 3: Cross multiply
    13,244.89x = 18,279.70 × 8,542.84
  4. Step 4: Simplify right side
    13,244.89x = 156,160,552.35
  5. Step 5: Solve for x
    x = 156,160,552.35/13,244.89
  6. Step 6: Final answer
    x = 11,790.25

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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.