Home / 15,182.18-20,951.43-8,467.63

Finding the Fourth Proportional to 15,182.18, 20,951.43 and 8,467.63

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Solution

The fourth proportional to 15,182.18, 20,951.43 and 8,467.63 is: 11,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.18 : 20,951.43 = 8,467.63 : x
  2. Step 2: Convert to fraction form
    15,182.18/20,951.43 = 8,467.63/x
  3. Step 3: Cross multiply
    15,182.18x = 20,951.43 × 8,467.63
  4. Step 4: Simplify right side
    15,182.18x = 177,409,003.45
  5. Step 5: Solve for x
    x = 177,409,003.45/15,182.18
  6. Step 6: Final answer
    x = 11,685.35

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Double scale
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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.