Home / 12,837.37-19,252.72-5,438.02

Finding the Fourth Proportional to 12,837.37, 19,252.72 and 5,438.02

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Solution

The fourth proportional to 12,837.37, 19,252.72 and 5,438.02 is: 8,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.37 : 19,252.72 = 5,438.02 : x
  2. Step 2: Convert to fraction form
    12,837.37/19,252.72 = 5,438.02/x
  3. Step 3: Cross multiply
    12,837.37x = 19,252.72 × 5,438.02
  4. Step 4: Simplify right side
    12,837.37x = 104,696,676.41
  5. Step 5: Solve for x
    x = 104,696,676.41/12,837.37
  6. Step 6: Final answer
    x = 8,155.62

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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.