Home / 19,770.55-29,641.85-9,229.41

Finding the Fourth Proportional to 19,770.55, 29,641.85 and 9,229.41

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Solution

The fourth proportional to 19,770.55, 29,641.85 and 9,229.41 is: 13,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.55 : 29,641.85 = 9,229.41 : x
  2. Step 2: Convert to fraction form
    19,770.55/29,641.85 = 9,229.41/x
  3. Step 3: Cross multiply
    19,770.55x = 29,641.85 × 9,229.41
  4. Step 4: Simplify right side
    19,770.55x = 273,576,775.27
  5. Step 5: Solve for x
    x = 273,576,775.27/19,770.55
  6. Step 6: Final answer
    x = 13,837.59

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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.