Home / 18,242.96-27,376.72-7,148.26

Finding the Fourth Proportional to 18,242.96, 27,376.72 and 7,148.26

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Solution

The fourth proportional to 18,242.96, 27,376.72 and 7,148.26 is: 10,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.96 : 27,376.72 = 7,148.26 : x
  2. Step 2: Convert to fraction form
    18,242.96/27,376.72 = 7,148.26/x
  3. Step 3: Cross multiply
    18,242.96x = 27,376.72 × 7,148.26
  4. Step 4: Simplify right side
    18,242.96x = 195,695,912.51
  5. Step 5: Solve for x
    x = 195,695,912.51/18,242.96
  6. Step 6: Final answer
    x = 10,727.20

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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.