Home / 13,901.18-20,851.84-3,512.94

Finding the Fourth Proportional to 13,901.18, 20,851.84 and 3,512.94

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Solution

The fourth proportional to 13,901.18, 20,851.84 and 3,512.94 is: 5,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.18 : 20,851.84 = 3,512.94 : x
  2. Step 2: Convert to fraction form
    13,901.18/20,851.84 = 3,512.94/x
  3. Step 3: Cross multiply
    13,901.18x = 20,851.84 × 3,512.94
  4. Step 4: Simplify right side
    13,901.18x = 73,251,262.81
  5. Step 5: Solve for x
    x = 73,251,262.81/13,901.18
  6. Step 6: Final answer
    x = 5,269.43

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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.