Home / 15,192.80-22,789.20-8,522.45

Finding the Fourth Proportional to 15,192.80, 22,789.20 and 8,522.45

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Solution

The fourth proportional to 15,192.80, 22,789.20 and 8,522.45 is: 12,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.80 : 22,789.20 = 8,522.45 : x
  2. Step 2: Convert to fraction form
    15,192.80/22,789.20 = 8,522.45/x
  3. Step 3: Cross multiply
    15,192.80x = 22,789.20 × 8,522.45
  4. Step 4: Simplify right side
    15,192.80x = 194,219,817.54
  5. Step 5: Solve for x
    x = 194,219,817.54/15,192.80
  6. Step 6: Final answer
    x = 12,783.68

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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.