Home / 13,677.30-20,518.65-6,177.11

Finding the Fourth Proportional to 13,677.30, 20,518.65 and 6,177.11

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Solution

The fourth proportional to 13,677.30, 20,518.65 and 6,177.11 is: 9,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.30 : 20,518.65 = 6,177.11 : x
  2. Step 2: Convert to fraction form
    13,677.30/20,518.65 = 6,177.11/x
  3. Step 3: Cross multiply
    13,677.30x = 20,518.65 × 6,177.11
  4. Step 4: Simplify right side
    13,677.30x = 126,745,855.51
  5. Step 5: Solve for x
    x = 126,745,855.51/13,677.30
  6. Step 6: Final answer
    x = 9,266.88

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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.