Home / 16,399.26-22,620.87-11,685.06

Finding the Fourth Proportional to 16,399.26, 22,620.87 and 11,685.06

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Solution

The fourth proportional to 16,399.26, 22,620.87 and 11,685.06 is: 16,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.26 : 22,620.87 = 11,685.06 : x
  2. Step 2: Convert to fraction form
    16,399.26/22,620.87 = 11,685.06/x
  3. Step 3: Cross multiply
    16,399.26x = 22,620.87 × 11,685.06
  4. Step 4: Simplify right side
    16,399.26x = 264,326,223.20
  5. Step 5: Solve for x
    x = 264,326,223.20/16,399.26
  6. Step 6: Final answer
    x = 16,118.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.