Home / 11,070.18-15,296.30-8,850.37

Finding the Fourth Proportional to 11,070.18, 15,296.30 and 8,850.37

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Solution

The fourth proportional to 11,070.18, 15,296.30 and 8,850.37 is: 12,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.18 : 15,296.30 = 8,850.37 : x
  2. Step 2: Convert to fraction form
    11,070.18/15,296.30 = 8,850.37/x
  3. Step 3: Cross multiply
    11,070.18x = 15,296.30 × 8,850.37
  4. Step 4: Simplify right side
    11,070.18x = 135,377,914.63
  5. Step 5: Solve for x
    x = 135,377,914.63/11,070.18
  6. Step 6: Final answer
    x = 12,229.06

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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.