Home / 13,768.92-20,659.46-7,199.82

Finding the Fourth Proportional to 13,768.92, 20,659.46 and 7,199.82

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Solution

The fourth proportional to 13,768.92, 20,659.46 and 7,199.82 is: 10,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.92 : 20,659.46 = 7,199.82 : x
  2. Step 2: Convert to fraction form
    13,768.92/20,659.46 = 7,199.82/x
  3. Step 3: Cross multiply
    13,768.92x = 20,659.46 × 7,199.82
  4. Step 4: Simplify right side
    13,768.92x = 148,744,357.30
  5. Step 5: Solve for x
    x = 148,744,357.30/13,768.92
  6. Step 6: Final answer
    x = 10,802.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.