Home / 10,501.97-15,747.50-3,105.45

Finding the Fourth Proportional to 10,501.97, 15,747.50 and 3,105.45

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Solution

The fourth proportional to 10,501.97, 15,747.50 and 3,105.45 is: 4,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.97 : 15,747.50 = 3,105.45 : x
  2. Step 2: Convert to fraction form
    10,501.97/15,747.50 = 3,105.45/x
  3. Step 3: Cross multiply
    10,501.97x = 15,747.50 × 3,105.45
  4. Step 4: Simplify right side
    10,501.97x = 48,903,081.64
  5. Step 5: Solve for x
    x = 48,903,081.64/10,501.97
  6. Step 6: Final answer
    x = 4,656.56

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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.