Home / 11,170.53-15,415.35-6,454.82

Finding the Fourth Proportional to 11,170.53, 15,415.35 and 6,454.82

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Solution

The fourth proportional to 11,170.53, 15,415.35 and 6,454.82 is: 8,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.53 : 15,415.35 = 6,454.82 : x
  2. Step 2: Convert to fraction form
    11,170.53/15,415.35 = 6,454.82/x
  3. Step 3: Cross multiply
    11,170.53x = 15,415.35 × 6,454.82
  4. Step 4: Simplify right side
    11,170.53x = 99,503,232.41
  5. Step 5: Solve for x
    x = 99,503,232.41/11,170.53
  6. Step 6: Final answer
    x = 8,907.66

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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.