Home / 11,449.37-17,165.30-7,929.26

Finding the Fourth Proportional to 11,449.37, 17,165.30 and 7,929.26

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Solution

The fourth proportional to 11,449.37, 17,165.30 and 7,929.26 is: 11,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.37 : 17,165.30 = 7,929.26 : x
  2. Step 2: Convert to fraction form
    11,449.37/17,165.30 = 7,929.26/x
  3. Step 3: Cross multiply
    11,449.37x = 17,165.30 × 7,929.26
  4. Step 4: Simplify right side
    11,449.37x = 136,108,001.21
  5. Step 5: Solve for x
    x = 136,108,001.21/11,449.37
  6. Step 6: Final answer
    x = 11,887.82

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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.