Home / 13,363.52-20,039.44-4,127.36

Finding the Fourth Proportional to 13,363.52, 20,039.44 and 4,127.36

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Solution

The fourth proportional to 13,363.52, 20,039.44 and 4,127.36 is: 6,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.52 : 20,039.44 = 4,127.36 : x
  2. Step 2: Convert to fraction form
    13,363.52/20,039.44 = 4,127.36/x
  3. Step 3: Cross multiply
    13,363.52x = 20,039.44 × 4,127.36
  4. Step 4: Simplify right side
    13,363.52x = 82,709,983.08
  5. Step 5: Solve for x
    x = 82,709,983.08/13,363.52
  6. Step 6: Final answer
    x = 6,189.24

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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.