Home / 10,908.90-16,363.35-9,699.30

Finding the Fourth Proportional to 10,908.90, 16,363.35 and 9,699.30

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Solution

The fourth proportional to 10,908.90, 16,363.35 and 9,699.30 is: 14,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.90 : 16,363.35 = 9,699.30 : x
  2. Step 2: Convert to fraction form
    10,908.90/16,363.35 = 9,699.30/x
  3. Step 3: Cross multiply
    10,908.90x = 16,363.35 × 9,699.30
  4. Step 4: Simplify right side
    10,908.90x = 158,713,040.66
  5. Step 5: Solve for x
    x = 158,713,040.66/10,908.90
  6. Step 6: Final answer
    x = 14,548.95

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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.