Home / 18,609.46-27,908.64-6,127.18

Finding the Fourth Proportional to 18,609.46, 27,908.64 and 6,127.18

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Solution

The fourth proportional to 18,609.46, 27,908.64 and 6,127.18 is: 9,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.46 : 27,908.64 = 6,127.18 : x
  2. Step 2: Convert to fraction form
    18,609.46/27,908.64 = 6,127.18/x
  3. Step 3: Cross multiply
    18,609.46x = 27,908.64 × 6,127.18
  4. Step 4: Simplify right side
    18,609.46x = 171,001,260.84
  5. Step 5: Solve for x
    x = 171,001,260.84/18,609.46
  6. Step 6: Final answer
    x = 9,188.94

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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.