Home / 17,147.90-25,717.95-8,258.70

Finding the Fourth Proportional to 17,147.90, 25,717.95 and 8,258.70

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Solution

The fourth proportional to 17,147.90, 25,717.95 and 8,258.70 is: 12,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.90 : 25,717.95 = 8,258.70 : x
  2. Step 2: Convert to fraction form
    17,147.90/25,717.95 = 8,258.70/x
  3. Step 3: Cross multiply
    17,147.90x = 25,717.95 × 8,258.70
  4. Step 4: Simplify right side
    17,147.90x = 212,396,833.67
  5. Step 5: Solve for x
    x = 212,396,833.67/17,147.90
  6. Step 6: Final answer
    x = 12,386.17

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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.