Home / 18,089.72-27,127.80-6,240.20

Finding the Fourth Proportional to 18,089.72, 27,127.80 and 6,240.20

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Solution

The fourth proportional to 18,089.72, 27,127.80 and 6,240.20 is: 9,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.72 : 27,127.80 = 6,240.20 : x
  2. Step 2: Convert to fraction form
    18,089.72/27,127.80 = 6,240.20/x
  3. Step 3: Cross multiply
    18,089.72x = 27,127.80 × 6,240.20
  4. Step 4: Simplify right side
    18,089.72x = 169,282,897.56
  5. Step 5: Solve for x
    x = 169,282,897.56/18,089.72
  6. Step 6: Final answer
    x = 9,357.96

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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.