Home / 21,334.37-32,009.85-8,851.23

Finding the Fourth Proportional to 21,334.37, 32,009.85 and 8,851.23

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Solution

The fourth proportional to 21,334.37, 32,009.85 and 8,851.23 is: 13,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.37 : 32,009.85 = 8,851.23 : x
  2. Step 2: Convert to fraction form
    21,334.37/32,009.85 = 8,851.23/x
  3. Step 3: Cross multiply
    21,334.37x = 32,009.85 × 8,851.23
  4. Step 4: Simplify right side
    21,334.37x = 283,326,544.62
  5. Step 5: Solve for x
    x = 283,326,544.62/21,334.37
  6. Step 6: Final answer
    x = 13,280.29

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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.