Home / 21,359.62-32,016.75-12,598.66

Finding the Fourth Proportional to 21,359.62, 32,016.75 and 12,598.66

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Solution

The fourth proportional to 21,359.62, 32,016.75 and 12,598.66 is: 18,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.62 : 32,016.75 = 12,598.66 : x
  2. Step 2: Convert to fraction form
    21,359.62/32,016.75 = 12,598.66/x
  3. Step 3: Cross multiply
    21,359.62x = 32,016.75 × 12,598.66
  4. Step 4: Simplify right side
    21,359.62x = 403,368,147.56
  5. Step 5: Solve for x
    x = 403,368,147.56/21,359.62
  6. Step 6: Final answer
    x = 18,884.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.