Home / 13,758.18-20,637.27-4,993.08

Finding the Fourth Proportional to 13,758.18, 20,637.27 and 4,993.08

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Solution

The fourth proportional to 13,758.18, 20,637.27 and 4,993.08 is: 7,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.18 : 20,637.27 = 4,993.08 : x
  2. Step 2: Convert to fraction form
    13,758.18/20,637.27 = 4,993.08/x
  3. Step 3: Cross multiply
    13,758.18x = 20,637.27 × 4,993.08
  4. Step 4: Simplify right side
    13,758.18x = 103,043,540.09
  5. Step 5: Solve for x
    x = 103,043,540.09/13,758.18
  6. Step 6: Final answer
    x = 7,489.62

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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.