Home / 16,290.98-22,481.66-9,218.81

Finding the Fourth Proportional to 16,290.98, 22,481.66 and 9,218.81

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Solution

The fourth proportional to 16,290.98, 22,481.66 and 9,218.81 is: 12,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.98 : 22,481.66 = 9,218.81 : x
  2. Step 2: Convert to fraction form
    16,290.98/22,481.66 = 9,218.81/x
  3. Step 3: Cross multiply
    16,290.98x = 22,481.66 × 9,218.81
  4. Step 4: Simplify right side
    16,290.98x = 207,254,062.66
  5. Step 5: Solve for x
    x = 207,254,062.66/16,290.98
  6. Step 6: Final answer
    x = 12,722.01

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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.