Home / 18,320.07-27,479.79-5,839.93

Finding the Fourth Proportional to 18,320.07, 27,479.79 and 5,839.93

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Solution

The fourth proportional to 18,320.07, 27,479.79 and 5,839.93 is: 8,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.07 : 27,479.79 = 5,839.93 : x
  2. Step 2: Convert to fraction form
    18,320.07/27,479.79 = 5,839.93/x
  3. Step 3: Cross multiply
    18,320.07x = 27,479.79 × 5,839.93
  4. Step 4: Simplify right side
    18,320.07x = 160,480,050.01
  5. Step 5: Solve for x
    x = 160,480,050.01/18,320.07
  6. Step 6: Final answer
    x = 8,759.79

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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.