Home / 21,296.31-31,949.17-6,506.38

Finding the Fourth Proportional to 21,296.31, 31,949.17 and 6,506.38

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Solution

The fourth proportional to 21,296.31, 31,949.17 and 6,506.38 is: 9,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.31 : 31,949.17 = 6,506.38 : x
  2. Step 2: Convert to fraction form
    21,296.31/31,949.17 = 6,506.38/x
  3. Step 3: Cross multiply
    21,296.31x = 31,949.17 × 6,506.38
  4. Step 4: Simplify right side
    21,296.31x = 207,873,473.11
  5. Step 5: Solve for x
    x = 207,873,473.11/21,296.31
  6. Step 6: Final answer
    x = 9,761.01

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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.