Home / 10,805.17-16,207.76-4,226.75

Finding the Fourth Proportional to 10,805.17, 16,207.76 and 4,226.75

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Solution

The fourth proportional to 10,805.17, 16,207.76 and 4,226.75 is: 6,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.17 : 16,207.76 = 4,226.75 : x
  2. Step 2: Convert to fraction form
    10,805.17/16,207.76 = 4,226.75/x
  3. Step 3: Cross multiply
    10,805.17x = 16,207.76 × 4,226.75
  4. Step 4: Simplify right side
    10,805.17x = 68,506,149.58
  5. Step 5: Solve for x
    x = 68,506,149.58/10,805.17
  6. Step 6: Final answer
    x = 6,340.13

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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.