Home / 11,113.68-15,340.82-9,801.48

Finding the Fourth Proportional to 11,113.68, 15,340.82 and 9,801.48

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Solution

The fourth proportional to 11,113.68, 15,340.82 and 9,801.48 is: 13,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.68 : 15,340.82 = 9,801.48 : x
  2. Step 2: Convert to fraction form
    11,113.68/15,340.82 = 9,801.48/x
  3. Step 3: Cross multiply
    11,113.68x = 15,340.82 × 9,801.48
  4. Step 4: Simplify right side
    11,113.68x = 150,362,691.41
  5. Step 5: Solve for x
    x = 150,362,691.41/11,113.68
  6. Step 6: Final answer
    x = 13,529.51

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Double scale
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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.