Home / 16,290.95-22,481.52-9,217.22

Finding the Fourth Proportional to 16,290.95, 22,481.52 and 9,217.22

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Solution

The fourth proportional to 16,290.95, 22,481.52 and 9,217.22 is: 12,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.95 : 22,481.52 = 9,217.22 : x
  2. Step 2: Convert to fraction form
    16,290.95/22,481.52 = 9,217.22/x
  3. Step 3: Cross multiply
    16,290.95x = 22,481.52 × 9,217.22
  4. Step 4: Simplify right side
    16,290.95x = 207,217,003.37
  5. Step 5: Solve for x
    x = 207,217,003.37/16,290.95
  6. Step 6: Final answer
    x = 12,719.77

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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.