Home / 21,134.44-29,165.38-11,703.08

Finding the Fourth Proportional to 21,134.44, 29,165.38 and 11,703.08

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Solution

The fourth proportional to 21,134.44, 29,165.38 and 11,703.08 is: 16,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.44 : 29,165.38 = 11,703.08 : x
  2. Step 2: Convert to fraction form
    21,134.44/29,165.38 = 11,703.08/x
  3. Step 3: Cross multiply
    21,134.44x = 29,165.38 × 11,703.08
  4. Step 4: Simplify right side
    21,134.44x = 341,324,775.37
  5. Step 5: Solve for x
    x = 341,324,775.37/21,134.44
  6. Step 6: Final answer
    x = 16,150.17

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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.