Home / 17,086.72-25,643.52-8,766.40

Finding the Fourth Proportional to 17,086.72, 25,643.52 and 8,766.40

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Solution

The fourth proportional to 17,086.72, 25,643.52 and 8,766.40 is: 13,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.72 : 25,643.52 = 8,766.40 : x
  2. Step 2: Convert to fraction form
    17,086.72/25,643.52 = 8,766.40/x
  3. Step 3: Cross multiply
    17,086.72x = 25,643.52 × 8,766.40
  4. Step 4: Simplify right side
    17,086.72x = 224,801,353.73
  5. Step 5: Solve for x
    x = 224,801,353.73/17,086.72
  6. Step 6: Final answer
    x = 13,156.50

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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.