Home / 14,167.67-21,242.39-5,397.80

Finding the Fourth Proportional to 14,167.67, 21,242.39 and 5,397.80

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Solution

The fourth proportional to 14,167.67, 21,242.39 and 5,397.80 is: 8,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.67 : 21,242.39 = 5,397.80 : x
  2. Step 2: Convert to fraction form
    14,167.67/21,242.39 = 5,397.80/x
  3. Step 3: Cross multiply
    14,167.67x = 21,242.39 × 5,397.80
  4. Step 4: Simplify right side
    14,167.67x = 114,662,039.54
  5. Step 5: Solve for x
    x = 114,662,039.54/14,167.67
  6. Step 6: Final answer
    x = 8,093.22

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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.