Home / 10,206.14-15,306.87-2,811.24

Finding the Fourth Proportional to 10,206.14, 15,306.87 and 2,811.24

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Solution

The fourth proportional to 10,206.14, 15,306.87 and 2,811.24 is: 4,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.14 : 15,306.87 = 2,811.24 : x
  2. Step 2: Convert to fraction form
    10,206.14/15,306.87 = 2,811.24/x
  3. Step 3: Cross multiply
    10,206.14x = 15,306.87 × 2,811.24
  4. Step 4: Simplify right side
    10,206.14x = 43,031,295.76
  5. Step 5: Solve for x
    x = 43,031,295.76/10,206.14
  6. Step 6: Final answer
    x = 4,216.22

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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.