Home / 14,135.93-21,204.35-7,112.11

Finding the Fourth Proportional to 14,135.93, 21,204.35 and 7,112.11

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Solution

The fourth proportional to 14,135.93, 21,204.35 and 7,112.11 is: 10,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.93 : 21,204.35 = 7,112.11 : x
  2. Step 2: Convert to fraction form
    14,135.93/21,204.35 = 7,112.11/x
  3. Step 3: Cross multiply
    14,135.93x = 21,204.35 × 7,112.11
  4. Step 4: Simplify right side
    14,135.93x = 150,807,669.68
  5. Step 5: Solve for x
    x = 150,807,669.68/14,135.93
  6. Step 6: Final answer
    x = 10,668.39

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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.