Home / 14,112.93-21,167.64-8,193.03

Finding the Fourth Proportional to 14,112.93, 21,167.64 and 8,193.03

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Solution

The fourth proportional to 14,112.93, 21,167.64 and 8,193.03 is: 12,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.93 : 21,167.64 = 8,193.03 : x
  2. Step 2: Convert to fraction form
    14,112.93/21,167.64 = 8,193.03/x
  3. Step 3: Cross multiply
    14,112.93x = 21,167.64 × 8,193.03
  4. Step 4: Simplify right side
    14,112.93x = 173,427,109.55
  5. Step 5: Solve for x
    x = 173,427,109.55/14,112.93
  6. Step 6: Final answer
    x = 12,288.53

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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.