Home / 13,400.10-20,099.30-4,040.44

Finding the Fourth Proportional to 13,400.10, 20,099.30 and 4,040.44

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Solution

The fourth proportional to 13,400.10, 20,099.30 and 4,040.44 is: 6,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.10 : 20,099.30 = 4,040.44 : x
  2. Step 2: Convert to fraction form
    13,400.10/20,099.30 = 4,040.44/x
  3. Step 3: Cross multiply
    13,400.10x = 20,099.30 × 4,040.44
  4. Step 4: Simplify right side
    13,400.10x = 81,210,015.69
  5. Step 5: Solve for x
    x = 81,210,015.69/13,400.10
  6. Step 6: Final answer
    x = 6,060.40

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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.