Home / 18,258.29-27,390.57-5,778.11

Finding the Fourth Proportional to 18,258.29, 27,390.57 and 5,778.11

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Solution

The fourth proportional to 18,258.29, 27,390.57 and 5,778.11 is: 8,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.29 : 27,390.57 = 5,778.11 : x
  2. Step 2: Convert to fraction form
    18,258.29/27,390.57 = 5,778.11/x
  3. Step 3: Cross multiply
    18,258.29x = 27,390.57 × 5,778.11
  4. Step 4: Simplify right side
    18,258.29x = 158,265,794.90
  5. Step 5: Solve for x
    x = 158,265,794.90/18,258.29
  6. Step 6: Final answer
    x = 8,668.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.