Home / 13,768.26-18,995.76-7,799.37

Finding the Fourth Proportional to 13,768.26, 18,995.76 and 7,799.37

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Solution

The fourth proportional to 13,768.26, 18,995.76 and 7,799.37 is: 10,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.26 : 18,995.76 = 7,799.37 : x
  2. Step 2: Convert to fraction form
    13,768.26/18,995.76 = 7,799.37/x
  3. Step 3: Cross multiply
    13,768.26x = 18,995.76 × 7,799.37
  4. Step 4: Simplify right side
    13,768.26x = 148,154,960.67
  5. Step 5: Solve for x
    x = 148,154,960.67/13,768.26
  6. Step 6: Final answer
    x = 10,760.62

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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.