Home / 21,146.22-31,714.17-6,911.93

Finding the Fourth Proportional to 21,146.22, 31,714.17 and 6,911.93

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Solution

The fourth proportional to 21,146.22, 31,714.17 and 6,911.93 is: 10,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,146.22 : 31,714.17 = 6,911.93 : x
  2. Step 2: Convert to fraction form
    21,146.22/31,714.17 = 6,911.93/x
  3. Step 3: Cross multiply
    21,146.22x = 31,714.17 × 6,911.93
  4. Step 4: Simplify right side
    21,146.22x = 219,205,964.48
  5. Step 5: Solve for x
    x = 219,205,964.48/21,146.22
  6. Step 6: Final answer
    x = 10,366.20

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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.