Home / 21,631.92-32,451.12-6,836.10

Finding the Fourth Proportional to 21,631.92, 32,451.12 and 6,836.10

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Solution

The fourth proportional to 21,631.92, 32,451.12 and 6,836.10 is: 10,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.92 : 32,451.12 = 6,836.10 : x
  2. Step 2: Convert to fraction form
    21,631.92/32,451.12 = 6,836.10/x
  3. Step 3: Cross multiply
    21,631.92x = 32,451.12 × 6,836.10
  4. Step 4: Simplify right side
    21,631.92x = 221,839,101.43
  5. Step 5: Solve for x
    x = 221,839,101.43/21,631.92
  6. Step 6: Final answer
    x = 10,255.17

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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.