Home / 10,345.22-15,505.67-4,786.82

Finding the Fourth Proportional to 10,345.22, 15,505.67 and 4,786.82

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Solution

The fourth proportional to 10,345.22, 15,505.67 and 4,786.82 is: 7,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.22 : 15,505.67 = 4,786.82 : x
  2. Step 2: Convert to fraction form
    10,345.22/15,505.67 = 4,786.82/x
  3. Step 3: Cross multiply
    10,345.22x = 15,505.67 × 4,786.82
  4. Step 4: Simplify right side
    10,345.22x = 74,222,851.27
  5. Step 5: Solve for x
    x = 74,222,851.27/10,345.22
  6. Step 6: Final answer
    x = 7,174.60

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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.