Home / 11,784.48-16,245.56-7,798.92

Finding the Fourth Proportional to 11,784.48, 16,245.56 and 7,798.92

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Solution

The fourth proportional to 11,784.48, 16,245.56 and 7,798.92 is: 10,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.48 : 16,245.56 = 7,798.92 : x
  2. Step 2: Convert to fraction form
    11,784.48/16,245.56 = 7,798.92/x
  3. Step 3: Cross multiply
    11,784.48x = 16,245.56 × 7,798.92
  4. Step 4: Simplify right side
    11,784.48x = 126,697,822.80
  5. Step 5: Solve for x
    x = 126,697,822.80/11,784.48
  6. Step 6: Final answer
    x = 10,751.24

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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.