Home / 17,811.30-26,714.60-7,948.29

Finding the Fourth Proportional to 17,811.30, 26,714.60 and 7,948.29

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Solution

The fourth proportional to 17,811.30, 26,714.60 and 7,948.29 is: 11,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.30 : 26,714.60 = 7,948.29 : x
  2. Step 2: Convert to fraction form
    17,811.30/26,714.60 = 7,948.29/x
  3. Step 3: Cross multiply
    17,811.30x = 26,714.60 × 7,948.29
  4. Step 4: Simplify right side
    17,811.30x = 212,335,348.29
  5. Step 5: Solve for x
    x = 212,335,348.29/17,811.30
  6. Step 6: Final answer
    x = 11,921.38

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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.