Home / 13,208.93-18,227.81-7,903.43

Finding the Fourth Proportional to 13,208.93, 18,227.81 and 7,903.43

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Solution

The fourth proportional to 13,208.93, 18,227.81 and 7,903.43 is: 10,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.93 : 18,227.81 = 7,903.43 : x
  2. Step 2: Convert to fraction form
    13,208.93/18,227.81 = 7,903.43/x
  3. Step 3: Cross multiply
    13,208.93x = 18,227.81 × 7,903.43
  4. Step 4: Simplify right side
    13,208.93x = 144,062,129.25
  5. Step 5: Solve for x
    x = 144,062,129.25/13,208.93
  6. Step 6: Final answer
    x = 10,906.42

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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.