Home / 10,262.19-15,399.44-3,688.90

Finding the Fourth Proportional to 10,262.19, 15,399.44 and 3,688.90

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Solution

The fourth proportional to 10,262.19, 15,399.44 and 3,688.90 is: 5,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.19 : 15,399.44 = 3,688.90 : x
  2. Step 2: Convert to fraction form
    10,262.19/15,399.44 = 3,688.90/x
  3. Step 3: Cross multiply
    10,262.19x = 15,399.44 × 3,688.90
  4. Step 4: Simplify right side
    10,262.19x = 56,806,964.94
  5. Step 5: Solve for x
    x = 56,806,964.94/10,262.19
  6. Step 6: Final answer
    x = 5,535.56

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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.