Home / 21,340.53-32,016.95-8,858.22

Finding the Fourth Proportional to 21,340.53, 32,016.95 and 8,858.22

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Solution

The fourth proportional to 21,340.53, 32,016.95 and 8,858.22 is: 13,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.53 : 32,016.95 = 8,858.22 : x
  2. Step 2: Convert to fraction form
    21,340.53/32,016.95 = 8,858.22/x
  3. Step 3: Cross multiply
    21,340.53x = 32,016.95 × 8,858.22
  4. Step 4: Simplify right side
    21,340.53x = 283,613,142.54
  5. Step 5: Solve for x
    x = 283,613,142.54/21,340.53
  6. Step 6: Final answer
    x = 13,289.88

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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.