Home / 11,180.32-16,770.40-2,860.32

Finding the Fourth Proportional to 11,180.32, 16,770.40 and 2,860.32

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Solution

The fourth proportional to 11,180.32, 16,770.40 and 2,860.32 is: 4,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.32 : 16,770.40 = 2,860.32 : x
  2. Step 2: Convert to fraction form
    11,180.32/16,770.40 = 2,860.32/x
  3. Step 3: Cross multiply
    11,180.32x = 16,770.40 × 2,860.32
  4. Step 4: Simplify right side
    11,180.32x = 47,968,710.53
  5. Step 5: Solve for x
    x = 47,968,710.53/11,180.32
  6. Step 6: Final answer
    x = 4,290.46

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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.