Home / 21,738.39-32,604.40-6,945.36

Finding the Fourth Proportional to 21,738.39, 32,604.40 and 6,945.36

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Solution

The fourth proportional to 21,738.39, 32,604.40 and 6,945.36 is: 10,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.39 : 32,604.40 = 6,945.36 : x
  2. Step 2: Convert to fraction form
    21,738.39/32,604.40 = 6,945.36/x
  3. Step 3: Cross multiply
    21,738.39x = 32,604.40 × 6,945.36
  4. Step 4: Simplify right side
    21,738.39x = 226,449,295.58
  5. Step 5: Solve for x
    x = 226,449,295.58/21,738.39
  6. Step 6: Final answer
    x = 10,417.02

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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.