Home / 11,270.60-16,905.90-4,345.10

Finding the Fourth Proportional to 11,270.60, 16,905.90 and 4,345.10

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Solution

The fourth proportional to 11,270.60, 16,905.90 and 4,345.10 is: 6,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.60 : 16,905.90 = 4,345.10 : x
  2. Step 2: Convert to fraction form
    11,270.60/16,905.90 = 4,345.10/x
  3. Step 3: Cross multiply
    11,270.60x = 16,905.90 × 4,345.10
  4. Step 4: Simplify right side
    11,270.60x = 73,457,826.09
  5. Step 5: Solve for x
    x = 73,457,826.09/11,270.60
  6. Step 6: Final answer
    x = 6,517.65

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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.