Home / 13,451.02-20,173.26-4,217.02

Finding the Fourth Proportional to 13,451.02, 20,173.26 and 4,217.02

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Solution

The fourth proportional to 13,451.02, 20,173.26 and 4,217.02 is: 6,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.02 : 20,173.26 = 4,217.02 : x
  2. Step 2: Convert to fraction form
    13,451.02/20,173.26 = 4,217.02/x
  3. Step 3: Cross multiply
    13,451.02x = 20,173.26 × 4,217.02
  4. Step 4: Simplify right side
    13,451.02x = 85,071,040.89
  5. Step 5: Solve for x
    x = 85,071,040.89/13,451.02
  6. Step 6: Final answer
    x = 6,324.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.