Home / 21,477.30-32,219.01-6,687.71

Finding the Fourth Proportional to 21,477.30, 32,219.01 and 6,687.71

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Solution

The fourth proportional to 21,477.30, 32,219.01 and 6,687.71 is: 10,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.30 : 32,219.01 = 6,687.71 : x
  2. Step 2: Convert to fraction form
    21,477.30/32,219.01 = 6,687.71/x
  3. Step 3: Cross multiply
    21,477.30x = 32,219.01 × 6,687.71
  4. Step 4: Simplify right side
    21,477.30x = 215,471,234.27
  5. Step 5: Solve for x
    x = 215,471,234.27/21,477.30
  6. Step 6: Final answer
    x = 10,032.51

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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.