Home / 15,955.77-22,019.31-8,882.65

Finding the Fourth Proportional to 15,955.77, 22,019.31 and 8,882.65

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Solution

The fourth proportional to 15,955.77, 22,019.31 and 8,882.65 is: 12,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.77 : 22,019.31 = 8,882.65 : x
  2. Step 2: Convert to fraction form
    15,955.77/22,019.31 = 8,882.65/x
  3. Step 3: Cross multiply
    15,955.77x = 22,019.31 × 8,882.65
  4. Step 4: Simplify right side
    15,955.77x = 195,589,823.97
  5. Step 5: Solve for x
    x = 195,589,823.97/15,955.77
  6. Step 6: Final answer
    x = 12,258.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.