Home / 13,269.24-19,905.08-3,909.24

Finding the Fourth Proportional to 13,269.24, 19,905.08 and 3,909.24

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Solution

The fourth proportional to 13,269.24, 19,905.08 and 3,909.24 is: 5,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.24 : 19,905.08 = 3,909.24 : x
  2. Step 2: Convert to fraction form
    13,269.24/19,905.08 = 3,909.24/x
  3. Step 3: Cross multiply
    13,269.24x = 19,905.08 × 3,909.24
  4. Step 4: Simplify right side
    13,269.24x = 77,813,734.94
  5. Step 5: Solve for x
    x = 77,813,734.94/13,269.24
  6. Step 6: Final answer
    x = 5,864.22

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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.