Home / 9,957.29-13,740.96-5,480.95

Finding the Fourth Proportional to 9,957.29, 13,740.96 and 5,480.95

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Solution

The fourth proportional to 9,957.29, 13,740.96 and 5,480.95 is: 7,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.29 : 13,740.96 = 5,480.95 : x
  2. Step 2: Convert to fraction form
    9,957.29/13,740.96 = 5,480.95/x
  3. Step 3: Cross multiply
    9,957.29x = 13,740.96 × 5,480.95
  4. Step 4: Simplify right side
    9,957.29x = 75,313,495.85
  5. Step 5: Solve for x
    x = 75,313,495.85/9,957.29
  6. Step 6: Final answer
    x = 7,563.65

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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.