Home / 21,171.24-31,757.00-6,380.10

Finding the Fourth Proportional to 21,171.24, 31,757.00 and 6,380.10

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Solution

The fourth proportional to 21,171.24, 31,757.00 and 6,380.10 is: 9,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,171.24 : 31,757.00 = 6,380.10 : x
  2. Step 2: Convert to fraction form
    21,171.24/31,757.00 = 6,380.10/x
  3. Step 3: Cross multiply
    21,171.24x = 31,757.00 × 6,380.10
  4. Step 4: Simplify right side
    21,171.24x = 202,612,803.80
  5. Step 5: Solve for x
    x = 202,612,803.80/21,171.24
  6. Step 6: Final answer
    x = 9,570.19

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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.