Home / 16,393.80-22,625.36-9,321.28

Finding the Fourth Proportional to 16,393.80, 22,625.36 and 9,321.28

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Solution

The fourth proportional to 16,393.80, 22,625.36 and 9,321.28 is: 12,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.80 : 22,625.36 = 9,321.28 : x
  2. Step 2: Convert to fraction form
    16,393.80/22,625.36 = 9,321.28/x
  3. Step 3: Cross multiply
    16,393.80x = 22,625.36 × 9,321.28
  4. Step 4: Simplify right side
    16,393.80x = 210,897,315.66
  5. Step 5: Solve for x
    x = 210,897,315.66/16,393.80
  6. Step 6: Final answer
    x = 12,864.46

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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.