Home / 16,278.80-22,465.21-9,205.07

Finding the Fourth Proportional to 16,278.80, 22,465.21 and 9,205.07

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Solution

The fourth proportional to 16,278.80, 22,465.21 and 9,205.07 is: 12,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.80 : 22,465.21 = 9,205.07 : x
  2. Step 2: Convert to fraction form
    16,278.80/22,465.21 = 9,205.07/x
  3. Step 3: Cross multiply
    16,278.80x = 22,465.21 × 9,205.07
  4. Step 4: Simplify right side
    16,278.80x = 206,793,830.61
  5. Step 5: Solve for x
    x = 206,793,830.61/16,278.80
  6. Step 6: Final answer
    x = 12,703.26

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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.