Home / 10,106.30-15,161.49-4,262.90

Finding the Fourth Proportional to 10,106.30, 15,161.49 and 4,262.90

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Solution

The fourth proportional to 10,106.30, 15,161.49 and 4,262.90 is: 6,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.30 : 15,161.49 = 4,262.90 : x
  2. Step 2: Convert to fraction form
    10,106.30/15,161.49 = 4,262.90/x
  3. Step 3: Cross multiply
    10,106.30x = 15,161.49 × 4,262.90
  4. Step 4: Simplify right side
    10,106.30x = 64,631,915.72
  5. Step 5: Solve for x
    x = 64,631,915.72/10,106.30
  6. Step 6: Final answer
    x = 6,395.21

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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.