Home / 10,282.38-15,423.42-2,491.14

Finding the Fourth Proportional to 10,282.38, 15,423.42 and 2,491.14

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Solution

The fourth proportional to 10,282.38, 15,423.42 and 2,491.14 is: 3,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.38 : 15,423.42 = 2,491.14 : x
  2. Step 2: Convert to fraction form
    10,282.38/15,423.42 = 2,491.14/x
  3. Step 3: Cross multiply
    10,282.38x = 15,423.42 × 2,491.14
  4. Step 4: Simplify right side
    10,282.38x = 38,421,898.50
  5. Step 5: Solve for x
    x = 38,421,898.50/10,282.38
  6. Step 6: Final answer
    x = 3,736.67

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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.