Home / 13,104.96-18,084.24-7,800.36

Finding the Fourth Proportional to 13,104.96, 18,084.24 and 7,800.36

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Solution

The fourth proportional to 13,104.96, 18,084.24 and 7,800.36 is: 10,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.96 : 18,084.24 = 7,800.36 : x
  2. Step 2: Convert to fraction form
    13,104.96/18,084.24 = 7,800.36/x
  3. Step 3: Cross multiply
    13,104.96x = 18,084.24 × 7,800.36
  4. Step 4: Simplify right side
    13,104.96x = 141,063,582.33
  5. Step 5: Solve for x
    x = 141,063,582.33/13,104.96
  6. Step 6: Final answer
    x = 10,764.14

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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.