Home / 13,334.00-18,377.78-9,743.09

Finding the Fourth Proportional to 13,334.00, 18,377.78 and 9,743.09

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Solution

The fourth proportional to 13,334.00, 18,377.78 and 9,743.09 is: 13,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.00 : 18,377.78 = 9,743.09 : x
  2. Step 2: Convert to fraction form
    13,334.00/18,377.78 = 9,743.09/x
  3. Step 3: Cross multiply
    13,334.00x = 18,377.78 × 9,743.09
  4. Step 4: Simplify right side
    13,334.00x = 179,056,223.94
  5. Step 5: Solve for x
    x = 179,056,223.94/13,334.00
  6. Step 6: Final answer
    x = 13,428.55

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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.