Home / 13,798.10-20,694.03-3,937.16

Finding the Fourth Proportional to 13,798.10, 20,694.03 and 3,937.16

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Solution

The fourth proportional to 13,798.10, 20,694.03 and 3,937.16 is: 5,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.10 : 20,694.03 = 3,937.16 : x
  2. Step 2: Convert to fraction form
    13,798.10/20,694.03 = 3,937.16/x
  3. Step 3: Cross multiply
    13,798.10x = 20,694.03 × 3,937.16
  4. Step 4: Simplify right side
    13,798.10x = 81,475,603.68
  5. Step 5: Solve for x
    x = 81,475,603.68/13,798.10
  6. Step 6: Final answer
    x = 5,904.84

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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.