Home / 15,672.15-21,626.82-8,598.42

Finding the Fourth Proportional to 15,672.15, 21,626.82 and 8,598.42

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Solution

The fourth proportional to 15,672.15, 21,626.82 and 8,598.42 is: 11,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.15 : 21,626.82 = 8,598.42 : x
  2. Step 2: Convert to fraction form
    15,672.15/21,626.82 = 8,598.42/x
  3. Step 3: Cross multiply
    15,672.15x = 21,626.82 × 8,598.42
  4. Step 4: Simplify right side
    15,672.15x = 185,956,481.62
  5. Step 5: Solve for x
    x = 185,956,481.62/15,672.15
  6. Step 6: Final answer
    x = 11,865.41

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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.