Home / 13,998.66-21,001.60-5,233.64

Finding the Fourth Proportional to 13,998.66, 21,001.60 and 5,233.64

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Solution

The fourth proportional to 13,998.66, 21,001.60 and 5,233.64 is: 7,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.66 : 21,001.60 = 5,233.64 : x
  2. Step 2: Convert to fraction form
    13,998.66/21,001.60 = 5,233.64/x
  3. Step 3: Cross multiply
    13,998.66x = 21,001.60 × 5,233.64
  4. Step 4: Simplify right side
    13,998.66x = 109,914,813.82
  5. Step 5: Solve for x
    x = 109,914,813.82/13,998.66
  6. Step 6: Final answer
    x = 7,851.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.