Home / 15,865.62-23,801.65-4,771.86

Finding the Fourth Proportional to 15,865.62, 23,801.65 and 4,771.86

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Solution

The fourth proportional to 15,865.62, 23,801.65 and 4,771.86 is: 7,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.62 : 23,801.65 = 4,771.86 : x
  2. Step 2: Convert to fraction form
    15,865.62/23,801.65 = 4,771.86/x
  3. Step 3: Cross multiply
    15,865.62x = 23,801.65 × 4,771.86
  4. Step 4: Simplify right side
    15,865.62x = 113,578,174.27
  5. Step 5: Solve for x
    x = 113,578,174.27/15,865.62
  6. Step 6: Final answer
    x = 7,158.76

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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.