Home / 13,204.92-18,222.93-7,236.46

Finding the Fourth Proportional to 13,204.92, 18,222.93 and 7,236.46

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Solution

The fourth proportional to 13,204.92, 18,222.93 and 7,236.46 is: 9,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.92 : 18,222.93 = 7,236.46 : x
  2. Step 2: Convert to fraction form
    13,204.92/18,222.93 = 7,236.46/x
  3. Step 3: Cross multiply
    13,204.92x = 18,222.93 × 7,236.46
  4. Step 4: Simplify right side
    13,204.92x = 131,869,458.47
  5. Step 5: Solve for x
    x = 131,869,458.47/13,204.92
  6. Step 6: Final answer
    x = 9,986.39

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Half 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.