Home / 13,727.00-18,943.27-7,439.38

Finding the Fourth Proportional to 13,727.00, 18,943.27 and 7,439.38

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Solution

The fourth proportional to 13,727.00, 18,943.27 and 7,439.38 is: 10,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.00 : 18,943.27 = 7,439.38 : x
  2. Step 2: Convert to fraction form
    13,727.00/18,943.27 = 7,439.38/x
  3. Step 3: Cross multiply
    13,727.00x = 18,943.27 × 7,439.38
  4. Step 4: Simplify right side
    13,727.00x = 140,926,118.02
  5. Step 5: Solve for x
    x = 140,926,118.02/13,727.00
  6. Step 6: Final answer
    x = 10,266.34

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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.