Home / 10,495.17-15,743.36-3,920.81

Finding the Fourth Proportional to 10,495.17, 15,743.36 and 3,920.81

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Solution

The fourth proportional to 10,495.17, 15,743.36 and 3,920.81 is: 5,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.17 : 15,743.36 = 3,920.81 : x
  2. Step 2: Convert to fraction form
    10,495.17/15,743.36 = 3,920.81/x
  3. Step 3: Cross multiply
    10,495.17x = 15,743.36 × 3,920.81
  4. Step 4: Simplify right side
    10,495.17x = 61,726,654.41
  5. Step 5: Solve for x
    x = 61,726,654.41/10,495.17
  6. Step 6: Final answer
    x = 5,881.43

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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.