Home / 13,346.36-19,990.38-6,761.24

Finding the Fourth Proportional to 13,346.36, 19,990.38 and 6,761.24

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Solution

The fourth proportional to 13,346.36, 19,990.38 and 6,761.24 is: 10,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.36 : 19,990.38 = 6,761.24 : x
  2. Step 2: Convert to fraction form
    13,346.36/19,990.38 = 6,761.24/x
  3. Step 3: Cross multiply
    13,346.36x = 19,990.38 × 6,761.24
  4. Step 4: Simplify right side
    13,346.36x = 135,159,756.87
  5. Step 5: Solve for x
    x = 135,159,756.87/13,346.36
  6. Step 6: Final answer
    x = 10,127.09

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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.