Home / 21,424.16-32,134.62-6,633.20

Finding the Fourth Proportional to 21,424.16, 32,134.62 and 6,633.20

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Solution

The fourth proportional to 21,424.16, 32,134.62 and 6,633.20 is: 9,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.16 : 32,134.62 = 6,633.20 : x
  2. Step 2: Convert to fraction form
    21,424.16/32,134.62 = 6,633.20/x
  3. Step 3: Cross multiply
    21,424.16x = 32,134.62 × 6,633.20
  4. Step 4: Simplify right side
    21,424.16x = 213,155,361.38
  5. Step 5: Solve for x
    x = 213,155,361.38/21,424.16
  6. Step 6: Final answer
    x = 9,949.30

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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.