Home / 11,135.64-16,765.05-9,217.56

Finding the Fourth Proportional to 11,135.64, 16,765.05 and 9,217.56

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Solution

The fourth proportional to 11,135.64, 16,765.05 and 9,217.56 is: 13,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.64 : 16,765.05 = 9,217.56 : x
  2. Step 2: Convert to fraction form
    11,135.64/16,765.05 = 9,217.56/x
  3. Step 3: Cross multiply
    11,135.64x = 16,765.05 × 9,217.56
  4. Step 4: Simplify right side
    11,135.64x = 154,532,854.28
  5. Step 5: Solve for x
    x = 154,532,854.28/11,135.64
  6. Step 6: Final answer
    x = 13,877.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.