Home / 13,764.26-18,998.06-7,799.45

Finding the Fourth Proportional to 13,764.26, 18,998.06 and 7,799.45

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Solution

The fourth proportional to 13,764.26, 18,998.06 and 7,799.45 is: 10,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.26 : 18,998.06 = 7,799.45 : x
  2. Step 2: Convert to fraction form
    13,764.26/18,998.06 = 7,799.45/x
  3. Step 3: Cross multiply
    13,764.26x = 18,998.06 × 7,799.45
  4. Step 4: Simplify right side
    13,764.26x = 148,174,285.08
  5. Step 5: Solve for x
    x = 148,174,285.08/13,764.26
  6. Step 6: Final answer
    x = 10,765.15

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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.