Home / 16,385.44-22,606.56-9,668.80

Finding the Fourth Proportional to 16,385.44, 22,606.56 and 9,668.80

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Solution

The fourth proportional to 16,385.44, 22,606.56 and 9,668.80 is: 13,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.44 : 22,606.56 = 9,668.80 : x
  2. Step 2: Convert to fraction form
    16,385.44/22,606.56 = 9,668.80/x
  3. Step 3: Cross multiply
    16,385.44x = 22,606.56 × 9,668.80
  4. Step 4: Simplify right side
    16,385.44x = 218,578,307.33
  5. Step 5: Solve for x
    x = 218,578,307.33/16,385.44
  6. Step 6: Final answer
    x = 13,339.79

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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.