Home / 14,072.78-21,119.54-6,677.26

Finding the Fourth Proportional to 14,072.78, 21,119.54 and 6,677.26

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Solution

The fourth proportional to 14,072.78, 21,119.54 and 6,677.26 is: 10,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.78 : 21,119.54 = 6,677.26 : x
  2. Step 2: Convert to fraction form
    14,072.78/21,119.54 = 6,677.26/x
  3. Step 3: Cross multiply
    14,072.78x = 21,119.54 × 6,677.26
  4. Step 4: Simplify right side
    14,072.78x = 141,020,659.66
  5. Step 5: Solve for x
    x = 141,020,659.66/14,072.78
  6. Step 6: Final answer
    x = 10,020.81

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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.