Home / 11,869.46-17,791.64-4,470.72

Finding the Fourth Proportional to 11,869.46, 17,791.64 and 4,470.72

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Solution

The fourth proportional to 11,869.46, 17,791.64 and 4,470.72 is: 6,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.46 : 17,791.64 = 4,470.72 : x
  2. Step 2: Convert to fraction form
    11,869.46/17,791.64 = 4,470.72/x
  3. Step 3: Cross multiply
    11,869.46x = 17,791.64 × 4,470.72
  4. Step 4: Simplify right side
    11,869.46x = 79,541,373.95
  5. Step 5: Solve for x
    x = 79,541,373.95/11,869.46
  6. Step 6: Final answer
    x = 6,701.35

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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.