Home / 15,996.88-22,078.36-9,288.08

Finding the Fourth Proportional to 15,996.88, 22,078.36 and 9,288.08

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Solution

The fourth proportional to 15,996.88, 22,078.36 and 9,288.08 is: 12,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.88 : 22,078.36 = 9,288.08 : x
  2. Step 2: Convert to fraction form
    15,996.88/22,078.36 = 9,288.08/x
  3. Step 3: Cross multiply
    15,996.88x = 22,078.36 × 9,288.08
  4. Step 4: Simplify right side
    15,996.88x = 205,065,573.95
  5. Step 5: Solve for x
    x = 205,065,573.95/15,996.88
  6. Step 6: Final answer
    x = 12,819.10

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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.