Home / 10,371.66-15,561.40-3,802.34

Finding the Fourth Proportional to 10,371.66, 15,561.40 and 3,802.34

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Solution

The fourth proportional to 10,371.66, 15,561.40 and 3,802.34 is: 5,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.66 : 15,561.40 = 3,802.34 : x
  2. Step 2: Convert to fraction form
    10,371.66/15,561.40 = 3,802.34/x
  3. Step 3: Cross multiply
    10,371.66x = 15,561.40 × 3,802.34
  4. Step 4: Simplify right side
    10,371.66x = 59,169,733.68
  5. Step 5: Solve for x
    x = 59,169,733.68/10,371.66
  6. Step 6: Final answer
    x = 5,704.94

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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.