Home / 36,283.38-54,425.34-9,989.57

Finding the Fourth Proportional to 36,283.38, 54,425.34 and 9,989.57

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Solution

The fourth proportional to 36,283.38, 54,425.34 and 9,989.57 is: 14,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283.38 : 54,425.34 = 9,989.57 : x
  2. Step 2: Convert to fraction form
    36,283.38/54,425.34 = 9,989.57/x
  3. Step 3: Cross multiply
    36,283.38x = 54,425.34 × 9,989.57
  4. Step 4: Simplify right side
    36,283.38x = 543,685,471.58
  5. Step 5: Solve for x
    x = 543,685,471.58/36,283.38
  6. Step 6: Final answer
    x = 14,984.42

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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.