Home / 9,914.40-13,680.72-5,934.96

Finding the Fourth Proportional to 9,914.40, 13,680.72 and 5,934.96

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Solution

The fourth proportional to 9,914.40, 13,680.72 and 5,934.96 is: 8,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.40 : 13,680.72 = 5,934.96 : x
  2. Step 2: Convert to fraction form
    9,914.40/13,680.72 = 5,934.96/x
  3. Step 3: Cross multiply
    9,914.40x = 13,680.72 × 5,934.96
  4. Step 4: Simplify right side
    9,914.40x = 81,194,525.97
  5. Step 5: Solve for x
    x = 81,194,525.97/9,914.40
  6. Step 6: Final answer
    x = 8,189.56

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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.