Home / 15,997.49-22,069.37-9,279.21

Finding the Fourth Proportional to 15,997.49, 22,069.37 and 9,279.21

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Solution

The fourth proportional to 15,997.49, 22,069.37 and 9,279.21 is: 12,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.49 : 22,069.37 = 9,279.21 : x
  2. Step 2: Convert to fraction form
    15,997.49/22,069.37 = 9,279.21/x
  3. Step 3: Cross multiply
    15,997.49x = 22,069.37 × 9,279.21
  4. Step 4: Simplify right side
    15,997.49x = 204,786,342.00
  5. Step 5: Solve for x
    x = 204,786,342.00/15,997.49
  6. Step 6: Final answer
    x = 12,801.16

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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.