Home / 18,606.39-27,910.50-5,457.66

Finding the Fourth Proportional to 18,606.39, 27,910.50 and 5,457.66

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Solution

The fourth proportional to 18,606.39, 27,910.50 and 5,457.66 is: 8,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.39 : 27,910.50 = 5,457.66 : x
  2. Step 2: Convert to fraction form
    18,606.39/27,910.50 = 5,457.66/x
  3. Step 3: Cross multiply
    18,606.39x = 27,910.50 × 5,457.66
  4. Step 4: Simplify right side
    18,606.39x = 152,325,894.30
  5. Step 5: Solve for x
    x = 152,325,894.30/18,606.39
  6. Step 6: Final answer
    x = 8,186.75

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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.