Home / 15,935.00-21,963.20-10,890.47

Finding the Fourth Proportional to 15,935.00, 21,963.20 and 10,890.47

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Solution

The fourth proportional to 15,935.00, 21,963.20 and 10,890.47 is: 15,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.00 : 21,963.20 = 10,890.47 : x
  2. Step 2: Convert to fraction form
    15,935.00/21,963.20 = 10,890.47/x
  3. Step 3: Cross multiply
    15,935.00x = 21,963.20 × 10,890.47
  4. Step 4: Simplify right side
    15,935.00x = 239,189,571.16
  5. Step 5: Solve for x
    x = 239,189,571.16/15,935.00
  6. Step 6: Final answer
    x = 15,010.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.