Home / 9,320.39-13,982.61-5,374.20

Finding the Fourth Proportional to 9,320.39, 13,982.61 and 5,374.20

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Solution

The fourth proportional to 9,320.39, 13,982.61 and 5,374.20 is: 8,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.39 : 13,982.61 = 5,374.20 : x
  2. Step 2: Convert to fraction form
    9,320.39/13,982.61 = 5,374.20/x
  3. Step 3: Cross multiply
    9,320.39x = 13,982.61 × 5,374.20
  4. Step 4: Simplify right side
    9,320.39x = 75,145,342.66
  5. Step 5: Solve for x
    x = 75,145,342.66/9,320.39
  6. Step 6: Final answer
    x = 8,062.47

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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.