Home / 9,867.52-13,618.13-5,391.95

Finding the Fourth Proportional to 9,867.52, 13,618.13 and 5,391.95

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Solution

The fourth proportional to 9,867.52, 13,618.13 and 5,391.95 is: 7,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.52 : 13,618.13 = 5,391.95 : x
  2. Step 2: Convert to fraction form
    9,867.52/13,618.13 = 5,391.95/x
  3. Step 3: Cross multiply
    9,867.52x = 13,618.13 × 5,391.95
  4. Step 4: Simplify right side
    9,867.52x = 73,428,181.00
  5. Step 5: Solve for x
    x = 73,428,181.00/9,867.52
  6. Step 6: Final answer
    x = 7,441.41

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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.