Home / 14,815.56-20,445.48-8,441.97

Finding the Fourth Proportional to 14,815.56, 20,445.48 and 8,441.97

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Solution

The fourth proportional to 14,815.56, 20,445.48 and 8,441.97 is: 11,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.56 : 20,445.48 = 8,441.97 : x
  2. Step 2: Convert to fraction form
    14,815.56/20,445.48 = 8,441.97/x
  3. Step 3: Cross multiply
    14,815.56x = 20,445.48 × 8,441.97
  4. Step 4: Simplify right side
    14,815.56x = 172,600,128.80
  5. Step 5: Solve for x
    x = 172,600,128.80/14,815.56
  6. Step 6: Final answer
    x = 11,649.92

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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.