Home / 11,319.55-16,980.94-3,528.97

Finding the Fourth Proportional to 11,319.55, 16,980.94 and 3,528.97

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Solution

The fourth proportional to 11,319.55, 16,980.94 and 3,528.97 is: 5,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.55 : 16,980.94 = 3,528.97 : x
  2. Step 2: Convert to fraction form
    11,319.55/16,980.94 = 3,528.97/x
  3. Step 3: Cross multiply
    11,319.55x = 16,980.94 × 3,528.97
  4. Step 4: Simplify right side
    11,319.55x = 59,925,227.83
  5. Step 5: Solve for x
    x = 59,925,227.83/11,319.55
  6. Step 6: Final answer
    x = 5,293.96

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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.