Home / 16,278.92-22,465.38-9,205.19

Finding the Fourth Proportional to 16,278.92, 22,465.38 and 9,205.19

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Solution

The fourth proportional to 16,278.92, 22,465.38 and 9,205.19 is: 12,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.92 : 22,465.38 = 9,205.19 : x
  2. Step 2: Convert to fraction form
    16,278.92/22,465.38 = 9,205.19/x
  3. Step 3: Cross multiply
    16,278.92x = 22,465.38 × 9,205.19
  4. Step 4: Simplify right side
    16,278.92x = 206,798,091.32
  5. Step 5: Solve for x
    x = 206,798,091.32/16,278.92
  6. Step 6: Final answer
    x = 12,703.43

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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.