Home / 9,984.90-13,778.94-5,508.58

Finding the Fourth Proportional to 9,984.90, 13,778.94 and 5,508.58

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Solution

The fourth proportional to 9,984.90, 13,778.94 and 5,508.58 is: 7,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.90 : 13,778.94 = 5,508.58 : x
  2. Step 2: Convert to fraction form
    9,984.90/13,778.94 = 5,508.58/x
  3. Step 3: Cross multiply
    9,984.90x = 13,778.94 × 5,508.58
  4. Step 4: Simplify right side
    9,984.90x = 75,902,393.31
  5. Step 5: Solve for x
    x = 75,902,393.31/9,984.90
  6. Step 6: Final answer
    x = 7,601.72

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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.