Home / 15,187.26-22,788.16-8,261.76

Finding the Fourth Proportional to 15,187.26, 22,788.16 and 8,261.76

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Solution

The fourth proportional to 15,187.26, 22,788.16 and 8,261.76 is: 12,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.26 : 22,788.16 = 8,261.76 : x
  2. Step 2: Convert to fraction form
    15,187.26/22,788.16 = 8,261.76/x
  3. Step 3: Cross multiply
    15,187.26x = 22,788.16 × 8,261.76
  4. Step 4: Simplify right side
    15,187.26x = 188,270,308.76
  5. Step 5: Solve for x
    x = 188,270,308.76/15,187.26
  6. Step 6: Final answer
    x = 12,396.59

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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.