Home / 15,932.68-21,984.69-9,216.98

Finding the Fourth Proportional to 15,932.68, 21,984.69 and 9,216.98

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Solution

The fourth proportional to 15,932.68, 21,984.69 and 9,216.98 is: 12,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.68 : 21,984.69 = 9,216.98 : x
  2. Step 2: Convert to fraction form
    15,932.68/21,984.69 = 9,216.98/x
  3. Step 3: Cross multiply
    15,932.68x = 21,984.69 × 9,216.98
  4. Step 4: Simplify right side
    15,932.68x = 202,632,448.04
  5. Step 5: Solve for x
    x = 202,632,448.04/15,932.68
  6. Step 6: Final answer
    x = 12,718.04

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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.