Home / 22,359.30-30,855.24-12,287.72

Finding the Fourth Proportional to 22,359.30, 30,855.24 and 12,287.72

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Solution

The fourth proportional to 22,359.30, 30,855.24 and 12,287.72 is: 16,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.30 : 30,855.24 = 12,287.72 : x
  2. Step 2: Convert to fraction form
    22,359.30/30,855.24 = 12,287.72/x
  3. Step 3: Cross multiply
    22,359.30x = 30,855.24 × 12,287.72
  4. Step 4: Simplify right side
    22,359.30x = 379,140,549.65
  5. Step 5: Solve for x
    x = 379,140,549.65/22,359.30
  6. Step 6: Final answer
    x = 16,956.73

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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.