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Finding the Fourth Proportional to 16,805.05, 25,207.58 and 6,933.48

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Solution

The fourth proportional to 16,805.05, 25,207.58 and 6,933.48 is: 10,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.05 : 25,207.58 = 6,933.48 : x
  2. Step 2: Convert to fraction form
    16,805.05/25,207.58 = 6,933.48/x
  3. Step 3: Cross multiply
    16,805.05x = 25,207.58 × 6,933.48
  4. Step 4: Simplify right side
    16,805.05x = 174,776,217.11
  5. Step 5: Solve for x
    x = 174,776,217.11/16,805.05
  6. Step 6: Final answer
    x = 10,400.22

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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.