Home / 11,223.25-15,487.41-6,187.68

Finding the Fourth Proportional to 11,223.25, 15,487.41 and 6,187.68

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Solution

The fourth proportional to 11,223.25, 15,487.41 and 6,187.68 is: 8,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.25 : 15,487.41 = 6,187.68 : x
  2. Step 2: Convert to fraction form
    11,223.25/15,487.41 = 6,187.68/x
  3. Step 3: Cross multiply
    11,223.25x = 15,487.41 × 6,187.68
  4. Step 4: Simplify right side
    11,223.25x = 95,831,137.11
  5. Step 5: Solve for x
    x = 95,831,137.11/11,223.25
  6. Step 6: Final answer
    x = 8,538.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.