Home / 21,899.68-32,844.40-7,104.80

Finding the Fourth Proportional to 21,899.68, 32,844.40 and 7,104.80

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Solution

The fourth proportional to 21,899.68, 32,844.40 and 7,104.80 is: 10,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.68 : 32,844.40 = 7,104.80 : x
  2. Step 2: Convert to fraction form
    21,899.68/32,844.40 = 7,104.80/x
  3. Step 3: Cross multiply
    21,899.68x = 32,844.40 × 7,104.80
  4. Step 4: Simplify right side
    21,899.68x = 233,352,893.12
  5. Step 5: Solve for x
    x = 233,352,893.12/21,899.68
  6. Step 6: Final answer
    x = 10,655.54

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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.