Home / 14,286.56-19,713.11-8,977.62

Finding the Fourth Proportional to 14,286.56, 19,713.11 and 8,977.62

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Solution

The fourth proportional to 14,286.56, 19,713.11 and 8,977.62 is: 12,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.56 : 19,713.11 = 8,977.62 : x
  2. Step 2: Convert to fraction form
    14,286.56/19,713.11 = 8,977.62/x
  3. Step 3: Cross multiply
    14,286.56x = 19,713.11 × 8,977.62
  4. Step 4: Simplify right side
    14,286.56x = 176,976,810.60
  5. Step 5: Solve for x
    x = 176,976,810.60/14,286.56
  6. Step 6: Final answer
    x = 12,387.64

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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.