Home / 18,329.45-27,508.75-7,238.93

Finding the Fourth Proportional to 18,329.45, 27,508.75 and 7,238.93

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Solution

The fourth proportional to 18,329.45, 27,508.75 and 7,238.93 is: 10,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.45 : 27,508.75 = 7,238.93 : x
  2. Step 2: Convert to fraction form
    18,329.45/27,508.75 = 7,238.93/x
  3. Step 3: Cross multiply
    18,329.45x = 27,508.75 × 7,238.93
  4. Step 4: Simplify right side
    18,329.45x = 199,133,760.00
  5. Step 5: Solve for x
    x = 199,133,760.00/18,329.45
  6. Step 6: Final answer
    x = 10,864.15

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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.