Home / 10,242.66-15,365.61-3,668.70

Finding the Fourth Proportional to 10,242.66, 15,365.61 and 3,668.70

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Solution

The fourth proportional to 10,242.66, 15,365.61 and 3,668.70 is: 5,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.66 : 15,365.61 = 3,668.70 : x
  2. Step 2: Convert to fraction form
    10,242.66/15,365.61 = 3,668.70/x
  3. Step 3: Cross multiply
    10,242.66x = 15,365.61 × 3,668.70
  4. Step 4: Simplify right side
    10,242.66x = 56,371,813.41
  5. Step 5: Solve for x
    x = 56,371,813.41/10,242.66
  6. Step 6: Final answer
    x = 5,503.63

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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.