Home / 21,766.92-32,656.06-11,240.12

Finding the Fourth Proportional to 21,766.92, 32,656.06 and 11,240.12

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Solution

The fourth proportional to 21,766.92, 32,656.06 and 11,240.12 is: 16,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.92 : 32,656.06 = 11,240.12 : x
  2. Step 2: Convert to fraction form
    21,766.92/32,656.06 = 11,240.12/x
  3. Step 3: Cross multiply
    21,766.92x = 32,656.06 × 11,240.12
  4. Step 4: Simplify right side
    21,766.92x = 367,058,033.13
  5. Step 5: Solve for x
    x = 367,058,033.13/21,766.92
  6. Step 6: Final answer
    x = 16,863.11

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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.