Home / 10,805.04-16,207.08-6,191.28

Finding the Fourth Proportional to 10,805.04, 16,207.08 and 6,191.28

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Solution

The fourth proportional to 10,805.04, 16,207.08 and 6,191.28 is: 9,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.04 : 16,207.08 = 6,191.28 : x
  2. Step 2: Convert to fraction form
    10,805.04/16,207.08 = 6,191.28/x
  3. Step 3: Cross multiply
    10,805.04x = 16,207.08 × 6,191.28
  4. Step 4: Simplify right side
    10,805.04x = 100,342,570.26
  5. Step 5: Solve for x
    x = 100,342,570.26/10,805.04
  6. Step 6: Final answer
    x = 9,286.64

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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.