Home / 14,623.20-21,934.80-8,791.20

Finding the Fourth Proportional to 14,623.20, 21,934.80 and 8,791.20

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Solution

The fourth proportional to 14,623.20, 21,934.80 and 8,791.20 is: 13,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.20 : 21,934.80 = 8,791.20 : x
  2. Step 2: Convert to fraction form
    14,623.20/21,934.80 = 8,791.20/x
  3. Step 3: Cross multiply
    14,623.20x = 21,934.80 × 8,791.20
  4. Step 4: Simplify right side
    14,623.20x = 192,833,213.76
  5. Step 5: Solve for x
    x = 192,833,213.76/14,623.20
  6. Step 6: Final answer
    x = 13,186.80

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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.