Home / 10,504.29-15,756.38-3,108.79

Finding the Fourth Proportional to 10,504.29, 15,756.38 and 3,108.79

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Solution

The fourth proportional to 10,504.29, 15,756.38 and 3,108.79 is: 4,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.29 : 15,756.38 = 3,108.79 : x
  2. Step 2: Convert to fraction form
    10,504.29/15,756.38 = 3,108.79/x
  3. Step 3: Cross multiply
    10,504.29x = 15,756.38 × 3,108.79
  4. Step 4: Simplify right side
    10,504.29x = 48,983,284.35
  5. Step 5: Solve for x
    x = 48,983,284.35/10,504.29
  6. Step 6: Final answer
    x = 4,663.17

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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.