Home / 10,851.80-16,269.60-4,606.70

Finding the Fourth Proportional to 10,851.80, 16,269.60 and 4,606.70

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Solution

The fourth proportional to 10,851.80, 16,269.60 and 4,606.70 is: 6,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.80 : 16,269.60 = 4,606.70 : x
  2. Step 2: Convert to fraction form
    10,851.80/16,269.60 = 4,606.70/x
  3. Step 3: Cross multiply
    10,851.80x = 16,269.60 × 4,606.70
  4. Step 4: Simplify right side
    10,851.80x = 74,949,166.32
  5. Step 5: Solve for x
    x = 74,949,166.32/10,851.80
  6. Step 6: Final answer
    x = 6,906.61

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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.