Home / 21,556.09-32,334.15-6,766.16

Finding the Fourth Proportional to 21,556.09, 32,334.15 and 6,766.16

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Solution

The fourth proportional to 21,556.09, 32,334.15 and 6,766.16 is: 10,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.09 : 32,334.15 = 6,766.16 : x
  2. Step 2: Convert to fraction form
    21,556.09/32,334.15 = 6,766.16/x
  3. Step 3: Cross multiply
    21,556.09x = 32,334.15 × 6,766.16
  4. Step 4: Simplify right side
    21,556.09x = 218,778,032.36
  5. Step 5: Solve for x
    x = 218,778,032.36/21,556.09
  6. Step 6: Final answer
    x = 10,149.25

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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.