Home / 36,179.68-54,268.80-9,886.72

Finding the Fourth Proportional to 36,179.68, 54,268.80 and 9,886.72

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Solution

The fourth proportional to 36,179.68, 54,268.80 and 9,886.72 is: 14,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.68 : 54,268.80 = 9,886.72 : x
  2. Step 2: Convert to fraction form
    36,179.68/54,268.80 = 9,886.72/x
  3. Step 3: Cross multiply
    36,179.68x = 54,268.80 × 9,886.72
  4. Step 4: Simplify right side
    36,179.68x = 536,540,430.34
  5. Step 5: Solve for x
    x = 536,540,430.34/36,179.68
  6. Step 6: Final answer
    x = 14,829.88

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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.