Home / 11,240.53-15,511.84-6,204.75

Finding the Fourth Proportional to 11,240.53, 15,511.84 and 6,204.75

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Solution

The fourth proportional to 11,240.53, 15,511.84 and 6,204.75 is: 8,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.53 : 15,511.84 = 6,204.75 : x
  2. Step 2: Convert to fraction form
    11,240.53/15,511.84 = 6,204.75/x
  3. Step 3: Cross multiply
    11,240.53x = 15,511.84 × 6,204.75
  4. Step 4: Simplify right side
    11,240.53x = 96,247,137.71
  5. Step 5: Solve for x
    x = 96,247,137.71/11,240.53
  6. Step 6: Final answer
    x = 8,562.51

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Half scale
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Double scale
Find fourth proportional to 11,241.53, 15,513.22 and 6,205.75
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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.