Home / 14,491.47-19,998.60-8,204.25

Finding the Fourth Proportional to 14,491.47, 19,998.60 and 8,204.25

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Solution

The fourth proportional to 14,491.47, 19,998.60 and 8,204.25 is: 11,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.47 : 19,998.60 = 8,204.25 : x
  2. Step 2: Convert to fraction form
    14,491.47/19,998.60 = 8,204.25/x
  3. Step 3: Cross multiply
    14,491.47x = 19,998.60 × 8,204.25
  4. Step 4: Simplify right side
    14,491.47x = 164,073,514.05
  5. Step 5: Solve for x
    x = 164,073,514.05/14,491.47
  6. Step 6: Final answer
    x = 11,322.08

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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.