Home / 10,133.28-15,201.92-4,289.88

Finding the Fourth Proportional to 10,133.28, 15,201.92 and 4,289.88

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Solution

The fourth proportional to 10,133.28, 15,201.92 and 4,289.88 is: 6,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.28 : 15,201.92 = 4,289.88 : x
  2. Step 2: Convert to fraction form
    10,133.28/15,201.92 = 4,289.88/x
  3. Step 3: Cross multiply
    10,133.28x = 15,201.92 × 4,289.88
  4. Step 4: Simplify right side
    10,133.28x = 65,214,412.57
  5. Step 5: Solve for x
    x = 65,214,412.57/10,133.28
  6. Step 6: Final answer
    x = 6,435.67

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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.