Home / 13,747.46-20,607.10-5,424.10

Finding the Fourth Proportional to 13,747.46, 20,607.10 and 5,424.10

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Solution

The fourth proportional to 13,747.46, 20,607.10 and 5,424.10 is: 8,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.46 : 20,607.10 = 5,424.10 : x
  2. Step 2: Convert to fraction form
    13,747.46/20,607.10 = 5,424.10/x
  3. Step 3: Cross multiply
    13,747.46x = 20,607.10 × 5,424.10
  4. Step 4: Simplify right side
    13,747.46x = 111,774,906.03
  5. Step 5: Solve for x
    x = 111,774,906.03/13,747.46
  6. Step 6: Final answer
    x = 8,130.59

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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.