Home / 10,807.32-16,201.36-4,238.20

Finding the Fourth Proportional to 10,807.32, 16,201.36 and 4,238.20

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Solution

The fourth proportional to 10,807.32, 16,201.36 and 4,238.20 is: 6,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.32 : 16,201.36 = 4,238.20 : x
  2. Step 2: Convert to fraction form
    10,807.32/16,201.36 = 4,238.20/x
  3. Step 3: Cross multiply
    10,807.32x = 16,201.36 × 4,238.20
  4. Step 4: Simplify right side
    10,807.32x = 68,664,603.95
  5. Step 5: Solve for x
    x = 68,664,603.95/10,807.32
  6. Step 6: Final answer
    x = 6,353.53

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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.