Home / 13,356.88-20,048.33-6,436.24

Finding the Fourth Proportional to 13,356.88, 20,048.33 and 6,436.24

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Solution

The fourth proportional to 13,356.88, 20,048.33 and 6,436.24 is: 9,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.88 : 20,048.33 = 6,436.24 : x
  2. Step 2: Convert to fraction form
    13,356.88/20,048.33 = 6,436.24/x
  3. Step 3: Cross multiply
    13,356.88x = 20,048.33 × 6,436.24
  4. Step 4: Simplify right side
    13,356.88x = 129,035,863.48
  5. Step 5: Solve for x
    x = 129,035,863.48/13,356.88
  6. Step 6: Final answer
    x = 9,660.63

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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.