Home / 16,663.30-22,995.35-9,109.66

Finding the Fourth Proportional to 16,663.30, 22,995.35 and 9,109.66

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Solution

The fourth proportional to 16,663.30, 22,995.35 and 9,109.66 is: 12,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.30 : 22,995.35 = 9,109.66 : x
  2. Step 2: Convert to fraction form
    16,663.30/22,995.35 = 9,109.66/x
  3. Step 3: Cross multiply
    16,663.30x = 22,995.35 × 9,109.66
  4. Step 4: Simplify right side
    16,663.30x = 209,479,774.53
  5. Step 5: Solve for x
    x = 209,479,774.53/16,663.30
  6. Step 6: Final answer
    x = 12,571.33

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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.