Home / 13,036.92-19,557-4,269.48

Finding the Fourth Proportional to 13,036.92, 19,557 and 4,269.48

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Solution

The fourth proportional to 13,036.92, 19,557 and 4,269.48 is: 6,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.92 : 19,557 = 4,269.48 : x
  2. Step 2: Convert to fraction form
    13,036.92/19,557 = 4,269.48/x
  3. Step 3: Cross multiply
    13,036.92x = 19,557 × 4,269.48
  4. Step 4: Simplify right side
    13,036.92x = 83,498,220.36
  5. Step 5: Solve for x
    x = 83,498,220.36/13,036.92
  6. Step 6: Final answer
    x = 6,404.75

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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.