Home / 10,179.96-15,257.62-5,246.90

Finding the Fourth Proportional to 10,179.96, 15,257.62 and 5,246.90

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Solution

The fourth proportional to 10,179.96, 15,257.62 and 5,246.90 is: 7,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.96 : 15,257.62 = 5,246.90 : x
  2. Step 2: Convert to fraction form
    10,179.96/15,257.62 = 5,246.90/x
  3. Step 3: Cross multiply
    10,179.96x = 15,257.62 × 5,246.90
  4. Step 4: Simplify right side
    10,179.96x = 80,055,206.38
  5. Step 5: Solve for x
    x = 80,055,206.38/10,179.96
  6. Step 6: Final answer
    x = 7,864.00

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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.