Home / 10,917.88-15,064.86-6,200.44

Finding the Fourth Proportional to 10,917.88, 15,064.86 and 6,200.44

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Solution

The fourth proportional to 10,917.88, 15,064.86 and 6,200.44 is: 8,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.88 : 15,064.86 = 6,200.44 : x
  2. Step 2: Convert to fraction form
    10,917.88/15,064.86 = 6,200.44/x
  3. Step 3: Cross multiply
    10,917.88x = 15,064.86 × 6,200.44
  4. Step 4: Simplify right side
    10,917.88x = 93,408,760.54
  5. Step 5: Solve for x
    x = 93,408,760.54/10,917.88
  6. Step 6: Final answer
    x = 8,555.58

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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.