Home / 10,217.81-15,305.17-4,675.82

Finding the Fourth Proportional to 10,217.81, 15,305.17 and 4,675.82

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Solution

The fourth proportional to 10,217.81, 15,305.17 and 4,675.82 is: 7,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.81 : 15,305.17 = 4,675.82 : x
  2. Step 2: Convert to fraction form
    10,217.81/15,305.17 = 4,675.82/x
  3. Step 3: Cross multiply
    10,217.81x = 15,305.17 × 4,675.82
  4. Step 4: Simplify right side
    10,217.81x = 71,564,219.99
  5. Step 5: Solve for x
    x = 71,564,219.99/10,217.81
  6. Step 6: Final answer
    x = 7,003.87

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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.