Home / 9,957.15-13,740.91-5,480.69

Finding the Fourth Proportional to 9,957.15, 13,740.91 and 5,480.69

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Solution

The fourth proportional to 9,957.15, 13,740.91 and 5,480.69 is: 7,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.15 : 13,740.91 = 5,480.69 : x
  2. Step 2: Convert to fraction form
    9,957.15/13,740.91 = 5,480.69/x
  3. Step 3: Cross multiply
    9,957.15x = 13,740.91 × 5,480.69
  4. Step 4: Simplify right side
    9,957.15x = 75,309,585.62
  5. Step 5: Solve for x
    x = 75,309,585.62/9,957.15
  6. Step 6: Final answer
    x = 7,563.37

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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.