Home / 10,108.99-15,153.22-3,867.40

Finding the Fourth Proportional to 10,108.99, 15,153.22 and 3,867.40

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Solution

The fourth proportional to 10,108.99, 15,153.22 and 3,867.40 is: 5,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.99 : 15,153.22 = 3,867.40 : x
  2. Step 2: Convert to fraction form
    10,108.99/15,153.22 = 3,867.40/x
  3. Step 3: Cross multiply
    10,108.99x = 15,153.22 × 3,867.40
  4. Step 4: Simplify right side
    10,108.99x = 58,603,563.03
  5. Step 5: Solve for x
    x = 58,603,563.03/10,108.99
  6. Step 6: Final answer
    x = 5,797.17

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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.