Home / 21,799.72-32,699.58-6,218.56

Finding the Fourth Proportional to 21,799.72, 32,699.58 and 6,218.56

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Solution

The fourth proportional to 21,799.72, 32,699.58 and 6,218.56 is: 9,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,799.72 : 32,699.58 = 6,218.56 : x
  2. Step 2: Convert to fraction form
    21,799.72/32,699.58 = 6,218.56/x
  3. Step 3: Cross multiply
    21,799.72x = 32,699.58 × 6,218.56
  4. Step 4: Simplify right side
    21,799.72x = 203,344,300.20
  5. Step 5: Solve for x
    x = 203,344,300.20/21,799.72
  6. Step 6: Final answer
    x = 9,327.84

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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.