Home / 19,321.36-26,662.80-10,937.68

Finding the Fourth Proportional to 19,321.36, 26,662.80 and 10,937.68

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Solution

The fourth proportional to 19,321.36, 26,662.80 and 10,937.68 is: 15,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.36 : 26,662.80 = 10,937.68 : x
  2. Step 2: Convert to fraction form
    19,321.36/26,662.80 = 10,937.68/x
  3. Step 3: Cross multiply
    19,321.36x = 26,662.80 × 10,937.68
  4. Step 4: Simplify right side
    19,321.36x = 291,629,174.30
  5. Step 5: Solve for x
    x = 291,629,174.30/19,321.36
  6. Step 6: Final answer
    x = 15,093.62

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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.