Home / 10,242.37-15,369.52-4,318.89

Finding the Fourth Proportional to 10,242.37, 15,369.52 and 4,318.89

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Solution

The fourth proportional to 10,242.37, 15,369.52 and 4,318.89 is: 6,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.37 : 15,369.52 = 4,318.89 : x
  2. Step 2: Convert to fraction form
    10,242.37/15,369.52 = 4,318.89/x
  3. Step 3: Cross multiply
    10,242.37x = 15,369.52 × 4,318.89
  4. Step 4: Simplify right side
    10,242.37x = 66,379,266.23
  5. Step 5: Solve for x
    x = 66,379,266.23/10,242.37
  6. Step 6: Final answer
    x = 6,480.85

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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.