Home / 18,214.15-27,314.29-8,716.71

Finding the Fourth Proportional to 18,214.15, 27,314.29 and 8,716.71

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Solution

The fourth proportional to 18,214.15, 27,314.29 and 8,716.71 is: 13,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.15 : 27,314.29 = 8,716.71 : x
  2. Step 2: Convert to fraction form
    18,214.15/27,314.29 = 8,716.71/x
  3. Step 3: Cross multiply
    18,214.15x = 27,314.29 × 8,716.71
  4. Step 4: Simplify right side
    18,214.15x = 238,090,744.79
  5. Step 5: Solve for x
    x = 238,090,744.79/18,214.15
  6. Step 6: Final answer
    x = 13,071.75

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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.