Home / 16,261.99-22,440.32-9,189.07

Finding the Fourth Proportional to 16,261.99, 22,440.32 and 9,189.07

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Solution

The fourth proportional to 16,261.99, 22,440.32 and 9,189.07 is: 12,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.99 : 22,440.32 = 9,189.07 : x
  2. Step 2: Convert to fraction form
    16,261.99/22,440.32 = 9,189.07/x
  3. Step 3: Cross multiply
    16,261.99x = 22,440.32 × 9,189.07
  4. Step 4: Simplify right side
    16,261.99x = 206,205,625.36
  5. Step 5: Solve for x
    x = 206,205,625.36/16,261.99
  6. Step 6: Final answer
    x = 12,680.22

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Half scale
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Double scale
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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.