Home / 22,353.09-30,847.23-12,281.79

Finding the Fourth Proportional to 22,353.09, 30,847.23 and 12,281.79

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Solution

The fourth proportional to 22,353.09, 30,847.23 and 12,281.79 is: 16,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.09 : 30,847.23 = 12,281.79 : x
  2. Step 2: Convert to fraction form
    22,353.09/30,847.23 = 12,281.79/x
  3. Step 3: Cross multiply
    22,353.09x = 30,847.23 × 12,281.79
  4. Step 4: Simplify right side
    22,353.09x = 378,859,200.94
  5. Step 5: Solve for x
    x = 378,859,200.94/22,353.09
  6. Step 6: Final answer
    x = 16,948.85

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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.