Home / 22,285.80-30,753.24-12,212.40

Finding the Fourth Proportional to 22,285.80, 30,753.24 and 12,212.40

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Solution

The fourth proportional to 22,285.80, 30,753.24 and 12,212.40 is: 16,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.80 : 30,753.24 = 12,212.40 : x
  2. Step 2: Convert to fraction form
    22,285.80/30,753.24 = 12,212.40/x
  3. Step 3: Cross multiply
    22,285.80x = 30,753.24 × 12,212.40
  4. Step 4: Simplify right side
    22,285.80x = 375,570,868.18
  5. Step 5: Solve for x
    x = 375,570,868.18/22,285.80
  6. Step 6: Final answer
    x = 16,852.47

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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.