Home / 13,035.52-17,989.94-7,370.33

Finding the Fourth Proportional to 13,035.52, 17,989.94 and 7,370.33

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Solution

The fourth proportional to 13,035.52, 17,989.94 and 7,370.33 is: 10,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.52 : 17,989.94 = 7,370.33 : x
  2. Step 2: Convert to fraction form
    13,035.52/17,989.94 = 7,370.33/x
  3. Step 3: Cross multiply
    13,035.52x = 17,989.94 × 7,370.33
  4. Step 4: Simplify right side
    13,035.52x = 132,591,722.96
  5. Step 5: Solve for x
    x = 132,591,722.96/13,035.52
  6. Step 6: Final answer
    x = 10,171.57

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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.