Home / 11,113.40-16,679.55-4,544.30

Finding the Fourth Proportional to 11,113.40, 16,679.55 and 4,544.30

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Solution

The fourth proportional to 11,113.40, 16,679.55 and 4,544.30 is: 6,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.40 : 16,679.55 = 4,544.30 : x
  2. Step 2: Convert to fraction form
    11,113.40/16,679.55 = 4,544.30/x
  3. Step 3: Cross multiply
    11,113.40x = 16,679.55 × 4,544.30
  4. Step 4: Simplify right side
    11,113.40x = 75,796,879.07
  5. Step 5: Solve for x
    x = 75,796,879.07/11,113.40
  6. Step 6: Final answer
    x = 6,820.31

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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.