Home / 18,060.72-27,086.14-5,407.50

Finding the Fourth Proportional to 18,060.72, 27,086.14 and 5,407.50

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Solution

The fourth proportional to 18,060.72, 27,086.14 and 5,407.50 is: 8,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.72 : 27,086.14 = 5,407.50 : x
  2. Step 2: Convert to fraction form
    18,060.72/27,086.14 = 5,407.50/x
  3. Step 3: Cross multiply
    18,060.72x = 27,086.14 × 5,407.50
  4. Step 4: Simplify right side
    18,060.72x = 146,468,302.05
  5. Step 5: Solve for x
    x = 146,468,302.05/18,060.72
  6. Step 6: Final answer
    x = 8,109.77

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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.