Home / 13,549.80-20,310.84-9,167.72

Finding the Fourth Proportional to 13,549.80, 20,310.84 and 9,167.72

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Solution

The fourth proportional to 13,549.80, 20,310.84 and 9,167.72 is: 13,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.80 : 20,310.84 = 9,167.72 : x
  2. Step 2: Convert to fraction form
    13,549.80/20,310.84 = 9,167.72/x
  3. Step 3: Cross multiply
    13,549.80x = 20,310.84 × 9,167.72
  4. Step 4: Simplify right side
    13,549.80x = 186,204,094.08
  5. Step 5: Solve for x
    x = 186,204,094.08/13,549.80
  6. Step 6: Final answer
    x = 13,742.20

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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.