Home / 15,171.06-22,766.91-9,309.78

Finding the Fourth Proportional to 15,171.06, 22,766.91 and 9,309.78

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Solution

The fourth proportional to 15,171.06, 22,766.91 and 9,309.78 is: 13,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.06 : 22,766.91 = 9,309.78 : x
  2. Step 2: Convert to fraction form
    15,171.06/22,766.91 = 9,309.78/x
  3. Step 3: Cross multiply
    15,171.06x = 22,766.91 × 9,309.78
  4. Step 4: Simplify right side
    15,171.06x = 211,954,923.38
  5. Step 5: Solve for x
    x = 211,954,923.38/15,171.06
  6. Step 6: Final answer
    x = 13,971.00

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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.