Home / 21,608.33-32,412.49-6,818.38

Finding the Fourth Proportional to 21,608.33, 32,412.49 and 6,818.38

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Solution

The fourth proportional to 21,608.33, 32,412.49 and 6,818.38 is: 10,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.33 : 32,412.49 = 6,818.38 : x
  2. Step 2: Convert to fraction form
    21,608.33/32,412.49 = 6,818.38/x
  3. Step 3: Cross multiply
    21,608.33x = 32,412.49 × 6,818.38
  4. Step 4: Simplify right side
    21,608.33x = 221,000,575.49
  5. Step 5: Solve for x
    x = 221,000,575.49/21,608.33
  6. Step 6: Final answer
    x = 10,227.57

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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.