Home / 18,177.30-27,254.79-7,071.05

Finding the Fourth Proportional to 18,177.30, 27,254.79 and 7,071.05

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Solution

The fourth proportional to 18,177.30, 27,254.79 and 7,071.05 is: 10,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.30 : 27,254.79 = 7,071.05 : x
  2. Step 2: Convert to fraction form
    18,177.30/27,254.79 = 7,071.05/x
  3. Step 3: Cross multiply
    18,177.30x = 27,254.79 × 7,071.05
  4. Step 4: Simplify right side
    18,177.30x = 192,719,982.83
  5. Step 5: Solve for x
    x = 192,719,982.83/18,177.30
  6. Step 6: Final answer
    x = 10,602.23

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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.