Home / 21,785.11-32,674.57-6,992.11

Finding the Fourth Proportional to 21,785.11, 32,674.57 and 6,992.11

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Solution

The fourth proportional to 21,785.11, 32,674.57 and 6,992.11 is: 10,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785.11 : 32,674.57 = 6,992.11 : x
  2. Step 2: Convert to fraction form
    21,785.11/32,674.57 = 6,992.11/x
  3. Step 3: Cross multiply
    21,785.11x = 32,674.57 × 6,992.11
  4. Step 4: Simplify right side
    21,785.11x = 228,464,187.64
  5. Step 5: Solve for x
    x = 228,464,187.64/21,785.11
  6. Step 6: Final answer
    x = 10,487.17

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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.