Home / 16,520.80-22,790.16-10,922.08

Finding the Fourth Proportional to 16,520.80, 22,790.16 and 10,922.08

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Solution

The fourth proportional to 16,520.80, 22,790.16 and 10,922.08 is: 15,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.80 : 22,790.16 = 10,922.08 : x
  2. Step 2: Convert to fraction form
    16,520.80/22,790.16 = 10,922.08/x
  3. Step 3: Cross multiply
    16,520.80x = 22,790.16 × 10,922.08
  4. Step 4: Simplify right side
    16,520.80x = 248,915,950.73
  5. Step 5: Solve for x
    x = 248,915,950.73/16,520.80
  6. Step 6: Final answer
    x = 15,066.82

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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.