Home / 21,567.30-32,350.97-6,777.51

Finding the Fourth Proportional to 21,567.30, 32,350.97 and 6,777.51

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Solution

The fourth proportional to 21,567.30, 32,350.97 and 6,777.51 is: 10,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.30 : 32,350.97 = 6,777.51 : x
  2. Step 2: Convert to fraction form
    21,567.30/32,350.97 = 6,777.51/x
  3. Step 3: Cross multiply
    21,567.30x = 32,350.97 × 6,777.51
  4. Step 4: Simplify right side
    21,567.30x = 219,259,022.68
  5. Step 5: Solve for x
    x = 219,259,022.68/21,567.30
  6. Step 6: Final answer
    x = 10,166.27

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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.