Home / 18,353.26-27,529.88-5,205.74

Finding the Fourth Proportional to 18,353.26, 27,529.88 and 5,205.74

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Solution

The fourth proportional to 18,353.26, 27,529.88 and 5,205.74 is: 7,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.26 : 27,529.88 = 5,205.74 : x
  2. Step 2: Convert to fraction form
    18,353.26/27,529.88 = 5,205.74/x
  3. Step 3: Cross multiply
    18,353.26x = 27,529.88 × 5,205.74
  4. Step 4: Simplify right side
    18,353.26x = 143,313,397.51
  5. Step 5: Solve for x
    x = 143,313,397.51/18,353.26
  6. Step 6: Final answer
    x = 7,808.61

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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.