Home / 10,746.40-16,120.80-3,350.80

Finding the Fourth Proportional to 10,746.40, 16,120.80 and 3,350.80

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Solution

The fourth proportional to 10,746.40, 16,120.80 and 3,350.80 is: 5,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.40 : 16,120.80 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    10,746.40/16,120.80 = 3,350.80/x
  3. Step 3: Cross multiply
    10,746.40x = 16,120.80 × 3,350.80
  4. Step 4: Simplify right side
    10,746.40x = 54,017,576.64
  5. Step 5: Solve for x
    x = 54,017,576.64/10,746.40
  6. Step 6: Final answer
    x = 5,026.57

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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.