Home / 15,063.26-20,787.24-8,348.81

Finding the Fourth Proportional to 15,063.26, 20,787.24 and 8,348.81

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Solution

The fourth proportional to 15,063.26, 20,787.24 and 8,348.81 is: 11,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.26 : 20,787.24 = 8,348.81 : x
  2. Step 2: Convert to fraction form
    15,063.26/20,787.24 = 8,348.81/x
  3. Step 3: Cross multiply
    15,063.26x = 20,787.24 × 8,348.81
  4. Step 4: Simplify right side
    15,063.26x = 173,548,613.25
  5. Step 5: Solve for x
    x = 173,548,613.25/15,063.26
  6. Step 6: Final answer
    x = 11,521.32

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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.