Home / 21,569.56-32,357.61-6,777.09

Finding the Fourth Proportional to 21,569.56, 32,357.61 and 6,777.09

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Solution

The fourth proportional to 21,569.56, 32,357.61 and 6,777.09 is: 10,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.56 : 32,357.61 = 6,777.09 : x
  2. Step 2: Convert to fraction form
    21,569.56/32,357.61 = 6,777.09/x
  3. Step 3: Cross multiply
    21,569.56x = 32,357.61 × 6,777.09
  4. Step 4: Simplify right side
    21,569.56x = 219,290,435.15
  5. Step 5: Solve for x
    x = 219,290,435.15/21,569.56
  6. Step 6: Final answer
    x = 10,166.66

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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.