Home / 15,954.30-22,016.34-8,880.57

Finding the Fourth Proportional to 15,954.30, 22,016.34 and 8,880.57

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Solution

The fourth proportional to 15,954.30, 22,016.34 and 8,880.57 is: 12,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.30 : 22,016.34 = 8,880.57 : x
  2. Step 2: Convert to fraction form
    15,954.30/22,016.34 = 8,880.57/x
  3. Step 3: Cross multiply
    15,954.30x = 22,016.34 × 8,880.57
  4. Step 4: Simplify right side
    15,954.30x = 195,517,648.51
  5. Step 5: Solve for x
    x = 195,517,648.51/15,954.30
  6. Step 6: Final answer
    x = 12,254.86

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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.