Home / 10,299.11-15,439.41-4,749.62

Finding the Fourth Proportional to 10,299.11, 15,439.41 and 4,749.62

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Solution

The fourth proportional to 10,299.11, 15,439.41 and 4,749.62 is: 7,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.11 : 15,439.41 = 4,749.62 : x
  2. Step 2: Convert to fraction form
    10,299.11/15,439.41 = 4,749.62/x
  3. Step 3: Cross multiply
    10,299.11x = 15,439.41 × 4,749.62
  4. Step 4: Simplify right side
    10,299.11x = 73,331,253.33
  5. Step 5: Solve for x
    x = 73,331,253.33/10,299.11
  6. Step 6: Final answer
    x = 7,120.16

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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.