Home / 21,987.23-32,977.40-6,193.44

Finding the Fourth Proportional to 21,987.23, 32,977.40 and 6,193.44

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Solution

The fourth proportional to 21,987.23, 32,977.40 and 6,193.44 is: 9,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987.23 : 32,977.40 = 6,193.44 : x
  2. Step 2: Convert to fraction form
    21,987.23/32,977.40 = 6,193.44/x
  3. Step 3: Cross multiply
    21,987.23x = 32,977.40 × 6,193.44
  4. Step 4: Simplify right side
    21,987.23x = 204,243,517.29
  5. Step 5: Solve for x
    x = 204,243,517.29/21,987.23
  6. Step 6: Final answer
    x = 9,289.19

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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.