Home / 12,000.06-16,556.76-7,751.31

Finding the Fourth Proportional to 12,000.06, 16,556.76 and 7,751.31

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Solution

The fourth proportional to 12,000.06, 16,556.76 and 7,751.31 is: 10,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.06 : 16,556.76 = 7,751.31 : x
  2. Step 2: Convert to fraction form
    12,000.06/16,556.76 = 7,751.31/x
  3. Step 3: Cross multiply
    12,000.06x = 16,556.76 × 7,751.31
  4. Step 4: Simplify right side
    12,000.06x = 128,336,579.36
  5. Step 5: Solve for x
    x = 128,336,579.36/12,000.06
  6. Step 6: Final answer
    x = 10,694.66

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Half scale
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Double scale
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Similar ratio
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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.