Home / 10,345.26-15,505.73-4,786.86

Finding the Fourth Proportional to 10,345.26, 15,505.73 and 4,786.86

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Solution

The fourth proportional to 10,345.26, 15,505.73 and 4,786.86 is: 7,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.26 : 15,505.73 = 4,786.86 : x
  2. Step 2: Convert to fraction form
    10,345.26/15,505.73 = 4,786.86/x
  3. Step 3: Cross multiply
    10,345.26x = 15,505.73 × 4,786.86
  4. Step 4: Simplify right side
    10,345.26x = 74,223,734.77
  5. Step 5: Solve for x
    x = 74,223,734.77/10,345.26
  6. Step 6: Final answer
    x = 7,174.66

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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.