Home / 21,244.88-31,866.78-5,662.46

Finding the Fourth Proportional to 21,244.88, 31,866.78 and 5,662.46

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Solution

The fourth proportional to 21,244.88, 31,866.78 and 5,662.46 is: 8,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.88 : 31,866.78 = 5,662.46 : x
  2. Step 2: Convert to fraction form
    21,244.88/31,866.78 = 5,662.46/x
  3. Step 3: Cross multiply
    21,244.88x = 31,866.78 × 5,662.46
  4. Step 4: Simplify right side
    21,244.88x = 180,444,367.08
  5. Step 5: Solve for x
    x = 180,444,367.08/21,244.88
  6. Step 6: Final answer
    x = 8,493.55

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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.