Home / 14,906.12-20,570.08-8,191.76

Finding the Fourth Proportional to 14,906.12, 20,570.08 and 8,191.76

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Solution

The fourth proportional to 14,906.12, 20,570.08 and 8,191.76 is: 11,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.12 : 20,570.08 = 8,191.76 : x
  2. Step 2: Convert to fraction form
    14,906.12/20,570.08 = 8,191.76/x
  3. Step 3: Cross multiply
    14,906.12x = 20,570.08 × 8,191.76
  4. Step 4: Simplify right side
    14,906.12x = 168,505,158.54
  5. Step 5: Solve for x
    x = 168,505,158.54/14,906.12
  6. Step 6: Final answer
    x = 11,304.43

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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.