Home / 13,366.88-20,051.36-5,577.92

Finding the Fourth Proportional to 13,366.88, 20,051.36 and 5,577.92

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Solution

The fourth proportional to 13,366.88, 20,051.36 and 5,577.92 is: 8,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.88 : 20,051.36 = 5,577.92 : x
  2. Step 2: Convert to fraction form
    13,366.88/20,051.36 = 5,577.92/x
  3. Step 3: Cross multiply
    13,366.88x = 20,051.36 × 5,577.92
  4. Step 4: Simplify right side
    13,366.88x = 111,844,881.97
  5. Step 5: Solve for x
    x = 111,844,881.97/13,366.88
  6. Step 6: Final answer
    x = 8,367.31

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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.