Home / 22,849.85-34,282.55-12,320.89

Finding the Fourth Proportional to 22,849.85, 34,282.55 and 12,320.89

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Solution

The fourth proportional to 22,849.85, 34,282.55 and 12,320.89 is: 18,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.85 : 34,282.55 = 12,320.89 : x
  2. Step 2: Convert to fraction form
    22,849.85/34,282.55 = 12,320.89/x
  3. Step 3: Cross multiply
    22,849.85x = 34,282.55 × 12,320.89
  4. Step 4: Simplify right side
    22,849.85x = 422,391,472.57
  5. Step 5: Solve for x
    x = 422,391,472.57/22,849.85
  6. Step 6: Final answer
    x = 18,485.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.