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Finding the Fourth Proportional to 18,228.66, 27,345.27 and 7,133.92

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Solution

The fourth proportional to 18,228.66, 27,345.27 and 7,133.92 is: 10,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.66 : 27,345.27 = 7,133.92 : x
  2. Step 2: Convert to fraction form
    18,228.66/27,345.27 = 7,133.92/x
  3. Step 3: Cross multiply
    18,228.66x = 27,345.27 × 7,133.92
  4. Step 4: Simplify right side
    18,228.66x = 195,078,831.83
  5. Step 5: Solve for x
    x = 195,078,831.83/18,228.66
  6. Step 6: Final answer
    x = 10,701.76

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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.