Home / 10,411.71-15,615.93-3,391.98

Finding the Fourth Proportional to 10,411.71, 15,615.93 and 3,391.98

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Solution

The fourth proportional to 10,411.71, 15,615.93 and 3,391.98 is: 5,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.71 : 15,615.93 = 3,391.98 : x
  2. Step 2: Convert to fraction form
    10,411.71/15,615.93 = 3,391.98/x
  3. Step 3: Cross multiply
    10,411.71x = 15,615.93 × 3,391.98
  4. Step 4: Simplify right side
    10,411.71x = 52,968,922.24
  5. Step 5: Solve for x
    x = 52,968,922.24/10,411.71
  6. Step 6: Final answer
    x = 5,087.44

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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.