Home / 10,243.64-15,356.30-4,002.19

Finding the Fourth Proportional to 10,243.64, 15,356.30 and 4,002.19

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Solution

The fourth proportional to 10,243.64, 15,356.30 and 4,002.19 is: 5,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.64 : 15,356.30 = 4,002.19 : x
  2. Step 2: Convert to fraction form
    10,243.64/15,356.30 = 4,002.19/x
  3. Step 3: Cross multiply
    10,243.64x = 15,356.30 × 4,002.19
  4. Step 4: Simplify right side
    10,243.64x = 61,458,830.30
  5. Step 5: Solve for x
    x = 61,458,830.30/10,243.64
  6. Step 6: Final answer
    x = 5,999.71

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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.