Home / 22,112.14-30,513.90-12,040.24

Finding the Fourth Proportional to 22,112.14, 30,513.90 and 12,040.24

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Solution

The fourth proportional to 22,112.14, 30,513.90 and 12,040.24 is: 16,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.14 : 30,513.90 = 12,040.24 : x
  2. Step 2: Convert to fraction form
    22,112.14/30,513.90 = 12,040.24/x
  3. Step 3: Cross multiply
    22,112.14x = 30,513.90 × 12,040.24
  4. Step 4: Simplify right side
    22,112.14x = 367,394,679.34
  5. Step 5: Solve for x
    x = 367,394,679.34/22,112.14
  6. Step 6: Final answer
    x = 16,615.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.