Home / 13,784.40-20,676.14-5,993.24

Finding the Fourth Proportional to 13,784.40, 20,676.14 and 5,993.24

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Solution

The fourth proportional to 13,784.40, 20,676.14 and 5,993.24 is: 8,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.40 : 20,676.14 = 5,993.24 : x
  2. Step 2: Convert to fraction form
    13,784.40/20,676.14 = 5,993.24/x
  3. Step 3: Cross multiply
    13,784.40x = 20,676.14 × 5,993.24
  4. Step 4: Simplify right side
    13,784.40x = 123,917,069.29
  5. Step 5: Solve for x
    x = 123,917,069.29/13,784.40
  6. Step 6: Final answer
    x = 8,989.66

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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.