Home / 11,122.43-15,352.83-6,876.74

Finding the Fourth Proportional to 11,122.43, 15,352.83 and 6,876.74

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Solution

The fourth proportional to 11,122.43, 15,352.83 and 6,876.74 is: 9,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.43 : 15,352.83 = 6,876.74 : x
  2. Step 2: Convert to fraction form
    11,122.43/15,352.83 = 6,876.74/x
  3. Step 3: Cross multiply
    11,122.43x = 15,352.83 × 6,876.74
  4. Step 4: Simplify right side
    11,122.43x = 105,577,458.56
  5. Step 5: Solve for x
    x = 105,577,458.56/11,122.43
  6. Step 6: Final answer
    x = 9,492.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.