Home / 21,151.66-31,732.02-6,359.34

Finding the Fourth Proportional to 21,151.66, 31,732.02 and 6,359.34

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Solution

The fourth proportional to 21,151.66, 31,732.02 and 6,359.34 is: 9,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151.66 : 31,732.02 = 6,359.34 : x
  2. Step 2: Convert to fraction form
    21,151.66/31,732.02 = 6,359.34/x
  3. Step 3: Cross multiply
    21,151.66x = 31,732.02 × 6,359.34
  4. Step 4: Simplify right side
    21,151.66x = 201,794,704.07
  5. Step 5: Solve for x
    x = 201,794,704.07/21,151.66
  6. Step 6: Final answer
    x = 9,540.37

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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.