Home / 11,122.31-16,683.47-2,914.31

Finding the Fourth Proportional to 11,122.31, 16,683.47 and 2,914.31

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Solution

The fourth proportional to 11,122.31, 16,683.47 and 2,914.31 is: 4,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.31 : 16,683.47 = 2,914.31 : x
  2. Step 2: Convert to fraction form
    11,122.31/16,683.47 = 2,914.31/x
  3. Step 3: Cross multiply
    11,122.31x = 16,683.47 × 2,914.31
  4. Step 4: Simplify right side
    11,122.31x = 48,620,841.52
  5. Step 5: Solve for x
    x = 48,620,841.52/11,122.31
  6. Step 6: Final answer
    x = 4,371.47

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1.5x scale

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.