Home / 18,107.88-27,155.16-6,258.66

Finding the Fourth Proportional to 18,107.88, 27,155.16 and 6,258.66

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Solution

The fourth proportional to 18,107.88, 27,155.16 and 6,258.66 is: 9,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.88 : 27,155.16 = 6,258.66 : x
  2. Step 2: Convert to fraction form
    18,107.88/27,155.16 = 6,258.66/x
  3. Step 3: Cross multiply
    18,107.88x = 27,155.16 × 6,258.66
  4. Step 4: Simplify right side
    18,107.88x = 169,954,913.69
  5. Step 5: Solve for x
    x = 169,954,913.69/18,107.88
  6. Step 6: Final answer
    x = 9,385.69

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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.