Home / 21,282.71-31,943.73-10,760.13

Finding the Fourth Proportional to 21,282.71, 31,943.73 and 10,760.13

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Solution

The fourth proportional to 21,282.71, 31,943.73 and 10,760.13 is: 16,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.71 : 31,943.73 = 10,760.13 : x
  2. Step 2: Convert to fraction form
    21,282.71/31,943.73 = 10,760.13/x
  3. Step 3: Cross multiply
    21,282.71x = 31,943.73 × 10,760.13
  4. Step 4: Simplify right side
    21,282.71x = 343,718,687.48
  5. Step 5: Solve for x
    x = 343,718,687.48/21,282.71
  6. Step 6: Final answer
    x = 16,150.14

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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.