Home / 11,019.20-16,528.80-4,092.32

Finding the Fourth Proportional to 11,019.20, 16,528.80 and 4,092.32

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Solution

The fourth proportional to 11,019.20, 16,528.80 and 4,092.32 is: 6,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.20 : 16,528.80 = 4,092.32 : x
  2. Step 2: Convert to fraction form
    11,019.20/16,528.80 = 4,092.32/x
  3. Step 3: Cross multiply
    11,019.20x = 16,528.80 × 4,092.32
  4. Step 4: Simplify right side
    11,019.20x = 67,641,138.82
  5. Step 5: Solve for x
    x = 67,641,138.82/11,019.20
  6. Step 6: Final answer
    x = 6,138.48

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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.