Home / 21,556.36-32,338.86-6,767.56

Finding the Fourth Proportional to 21,556.36, 32,338.86 and 6,767.56

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Solution

The fourth proportional to 21,556.36, 32,338.86 and 6,767.56 is: 10,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.36 : 32,338.86 = 6,767.56 : x
  2. Step 2: Convert to fraction form
    21,556.36/32,338.86 = 6,767.56/x
  3. Step 3: Cross multiply
    21,556.36x = 32,338.86 × 6,767.56
  4. Step 4: Simplify right side
    21,556.36x = 218,855,175.38
  5. Step 5: Solve for x
    x = 218,855,175.38/21,556.36
  6. Step 6: Final answer
    x = 10,152.70

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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.