Home / 19,775.55-29,658.65-5,731.86

Finding the Fourth Proportional to 19,775.55, 29,658.65 and 5,731.86

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Solution

The fourth proportional to 19,775.55, 29,658.65 and 5,731.86 is: 8,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.55 : 29,658.65 = 5,731.86 : x
  2. Step 2: Convert to fraction form
    19,775.55/29,658.65 = 5,731.86/x
  3. Step 3: Cross multiply
    19,775.55x = 29,658.65 × 5,731.86
  4. Step 4: Simplify right side
    19,775.55x = 169,999,200.93
  5. Step 5: Solve for x
    x = 169,999,200.93/19,775.55
  6. Step 6: Final answer
    x = 8,596.43

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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.