Home / 15,134.54-20,886.17-8,328.83

Finding the Fourth Proportional to 15,134.54, 20,886.17 and 8,328.83

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Solution

The fourth proportional to 15,134.54, 20,886.17 and 8,328.83 is: 11,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.54 : 20,886.17 = 8,328.83 : x
  2. Step 2: Convert to fraction form
    15,134.54/20,886.17 = 8,328.83/x
  3. Step 3: Cross multiply
    15,134.54x = 20,886.17 × 8,328.83
  4. Step 4: Simplify right side
    15,134.54x = 173,957,213.21
  5. Step 5: Solve for x
    x = 173,957,213.21/15,134.54
  6. Step 6: Final answer
    x = 11,494.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.