Home / 9,957.20-13,740.93-5,481.27

Finding the Fourth Proportional to 9,957.20, 13,740.93 and 5,481.27

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Solution

The fourth proportional to 9,957.20, 13,740.93 and 5,481.27 is: 7,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.20 : 13,740.93 = 5,481.27 : x
  2. Step 2: Convert to fraction form
    9,957.20/13,740.93 = 5,481.27/x
  3. Step 3: Cross multiply
    9,957.20x = 13,740.93 × 5,481.27
  4. Step 4: Simplify right side
    9,957.20x = 75,317,747.38
  5. Step 5: Solve for x
    x = 75,317,747.38/9,957.20
  6. Step 6: Final answer
    x = 7,564.15

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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.