Home / 22,329.66-33,434.48-11,777.72

Finding the Fourth Proportional to 22,329.66, 33,434.48 and 11,777.72

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Solution

The fourth proportional to 22,329.66, 33,434.48 and 11,777.72 is: 17,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.66 : 33,434.48 = 11,777.72 : x
  2. Step 2: Convert to fraction form
    22,329.66/33,434.48 = 11,777.72/x
  3. Step 3: Cross multiply
    22,329.66x = 33,434.48 × 11,777.72
  4. Step 4: Simplify right side
    22,329.66x = 393,782,056.82
  5. Step 5: Solve for x
    x = 393,782,056.82/22,329.66
  6. Step 6: Final answer
    x = 17,634.93

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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.