Home / 10,262.14-15,390.98-2,765.53

Finding the Fourth Proportional to 10,262.14, 15,390.98 and 2,765.53

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Solution

The fourth proportional to 10,262.14, 15,390.98 and 2,765.53 is: 4,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.14 : 15,390.98 = 2,765.53 : x
  2. Step 2: Convert to fraction form
    10,262.14/15,390.98 = 2,765.53/x
  3. Step 3: Cross multiply
    10,262.14x = 15,390.98 × 2,765.53
  4. Step 4: Simplify right side
    10,262.14x = 42,564,216.92
  5. Step 5: Solve for x
    x = 42,564,216.92/10,262.14
  6. Step 6: Final answer
    x = 4,147.69

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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.