Home / 13,127.38-19,691.06-3,893.38

Finding the Fourth Proportional to 13,127.38, 19,691.06 and 3,893.38

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Solution

The fourth proportional to 13,127.38, 19,691.06 and 3,893.38 is: 5,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.38 : 19,691.06 = 3,893.38 : x
  2. Step 2: Convert to fraction form
    13,127.38/19,691.06 = 3,893.38/x
  3. Step 3: Cross multiply
    13,127.38x = 19,691.06 × 3,893.38
  4. Step 4: Simplify right side
    13,127.38x = 76,664,779.18
  5. Step 5: Solve for x
    x = 76,664,779.18/13,127.38
  6. Step 6: Final answer
    x = 5,840.07

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1.5x scale

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.