Home / 18,228.70-27,345.32-7,133.95

Finding the Fourth Proportional to 18,228.70, 27,345.32 and 7,133.95

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Solution

The fourth proportional to 18,228.70, 27,345.32 and 7,133.95 is: 10,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.70 : 27,345.32 = 7,133.95 : x
  2. Step 2: Convert to fraction form
    18,228.70/27,345.32 = 7,133.95/x
  3. Step 3: Cross multiply
    18,228.70x = 27,345.32 × 7,133.95
  4. Step 4: Simplify right side
    18,228.70x = 195,080,145.61
  5. Step 5: Solve for x
    x = 195,080,145.61/18,228.70
  6. Step 6: Final answer
    x = 10,701.82

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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.