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Finding the Fourth Proportional to 10,995.33, 16,492.99 and 4,419.97

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Solution

The fourth proportional to 10,995.33, 16,492.99 and 4,419.97 is: 6,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.33 : 16,492.99 = 4,419.97 : x
  2. Step 2: Convert to fraction form
    10,995.33/16,492.99 = 4,419.97/x
  3. Step 3: Cross multiply
    10,995.33x = 16,492.99 × 4,419.97
  4. Step 4: Simplify right side
    10,995.33x = 72,898,569.79
  5. Step 5: Solve for x
    x = 72,898,569.79/10,995.33
  6. Step 6: Final answer
    x = 6,629.96

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Similar ratio
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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.