Home / 16,104.09-22,223.87-9,729.79

Finding the Fourth Proportional to 16,104.09, 22,223.87 and 9,729.79

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Solution

The fourth proportional to 16,104.09, 22,223.87 and 9,729.79 is: 13,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,104.09 : 22,223.87 = 9,729.79 : x
  2. Step 2: Convert to fraction form
    16,104.09/22,223.87 = 9,729.79/x
  3. Step 3: Cross multiply
    16,104.09x = 22,223.87 × 9,729.79
  4. Step 4: Simplify right side
    16,104.09x = 216,233,588.09
  5. Step 5: Solve for x
    x = 216,233,588.09/16,104.09
  6. Step 6: Final answer
    x = 13,427.25

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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.