Home / 11,155.15-16,734.75-5,611.24

Finding the Fourth Proportional to 11,155.15, 16,734.75 and 5,611.24

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Solution

The fourth proportional to 11,155.15, 16,734.75 and 5,611.24 is: 8,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.15 : 16,734.75 = 5,611.24 : x
  2. Step 2: Convert to fraction form
    11,155.15/16,734.75 = 5,611.24/x
  3. Step 3: Cross multiply
    11,155.15x = 16,734.75 × 5,611.24
  4. Step 4: Simplify right side
    11,155.15x = 93,902,698.59
  5. Step 5: Solve for x
    x = 93,902,698.59/11,155.15
  6. Step 6: Final answer
    x = 8,417.88

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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.