Home / 14,579.36-20,119.07-8,206.30

Finding the Fourth Proportional to 14,579.36, 20,119.07 and 8,206.30

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Solution

The fourth proportional to 14,579.36, 20,119.07 and 8,206.30 is: 11,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.36 : 20,119.07 = 8,206.30 : x
  2. Step 2: Convert to fraction form
    14,579.36/20,119.07 = 8,206.30/x
  3. Step 3: Cross multiply
    14,579.36x = 20,119.07 × 8,206.30
  4. Step 4: Simplify right side
    14,579.36x = 165,103,094.36
  5. Step 5: Solve for x
    x = 165,103,094.36/14,579.36
  6. Step 6: Final answer
    x = 11,324.44

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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.