Home / 21,748.80-32,623.20-6,166.56

Finding the Fourth Proportional to 21,748.80, 32,623.20 and 6,166.56

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Solution

The fourth proportional to 21,748.80, 32,623.20 and 6,166.56 is: 9,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.80 : 32,623.20 = 6,166.56 : x
  2. Step 2: Convert to fraction form
    21,748.80/32,623.20 = 6,166.56/x
  3. Step 3: Cross multiply
    21,748.80x = 32,623.20 × 6,166.56
  4. Step 4: Simplify right side
    21,748.80x = 201,172,920.19
  5. Step 5: Solve for x
    x = 201,172,920.19/21,748.80
  6. Step 6: Final answer
    x = 9,249.84

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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.