Home / 20,934.24-31,392.33-7,776.96

Finding the Fourth Proportional to 20,934.24, 31,392.33 and 7,776.96

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Solution

The fourth proportional to 20,934.24, 31,392.33 and 7,776.96 is: 11,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.24 : 31,392.33 = 7,776.96 : x
  2. Step 2: Convert to fraction form
    20,934.24/31,392.33 = 7,776.96/x
  3. Step 3: Cross multiply
    20,934.24x = 31,392.33 × 7,776.96
  4. Step 4: Simplify right side
    20,934.24x = 244,136,894.72
  5. Step 5: Solve for x
    x = 244,136,894.72/20,934.24
  6. Step 6: Final answer
    x = 11,662.09

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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.