Home / 9,867.39-13,616.99-5,618.24

Finding the Fourth Proportional to 9,867.39, 13,616.99 and 5,618.24

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Solution

The fourth proportional to 9,867.39, 13,616.99 and 5,618.24 is: 7,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.39 : 13,616.99 = 5,618.24 : x
  2. Step 2: Convert to fraction form
    9,867.39/13,616.99 = 5,618.24/x
  3. Step 3: Cross multiply
    9,867.39x = 13,616.99 × 5,618.24
  4. Step 4: Simplify right side
    9,867.39x = 76,503,449.81
  5. Step 5: Solve for x
    x = 76,503,449.81/9,867.39
  6. Step 6: Final answer
    x = 7,753.16

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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.