Home / 15,672.36-21,627.46-8,773.43

Finding the Fourth Proportional to 15,672.36, 21,627.46 and 8,773.43

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Solution

The fourth proportional to 15,672.36, 21,627.46 and 8,773.43 is: 12,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.36 : 21,627.46 = 8,773.43 : x
  2. Step 2: Convert to fraction form
    15,672.36/21,627.46 = 8,773.43/x
  3. Step 3: Cross multiply
    15,672.36x = 21,627.46 × 8,773.43
  4. Step 4: Simplify right side
    15,672.36x = 189,746,854.38
  5. Step 5: Solve for x
    x = 189,746,854.38/15,672.36
  6. Step 6: Final answer
    x = 12,107.11

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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.