Home / 11,475.60-17,214.01-3,155.44

Finding the Fourth Proportional to 11,475.60, 17,214.01 and 3,155.44

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Solution

The fourth proportional to 11,475.60, 17,214.01 and 3,155.44 is: 4,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.60 : 17,214.01 = 3,155.44 : x
  2. Step 2: Convert to fraction form
    11,475.60/17,214.01 = 3,155.44/x
  3. Step 3: Cross multiply
    11,475.60x = 17,214.01 × 3,155.44
  4. Step 4: Simplify right side
    11,475.60x = 54,317,689.64
  5. Step 5: Solve for x
    x = 54,317,689.64/11,475.60
  6. Step 6: Final answer
    x = 4,733.32

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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.