Home / 13,390.92-20,078.28-5,994.00

Finding the Fourth Proportional to 13,390.92, 20,078.28 and 5,994.00

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Solution

The fourth proportional to 13,390.92, 20,078.28 and 5,994.00 is: 8,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.92 : 20,078.28 = 5,994.00 : x
  2. Step 2: Convert to fraction form
    13,390.92/20,078.28 = 5,994.00/x
  3. Step 3: Cross multiply
    13,390.92x = 20,078.28 × 5,994.00
  4. Step 4: Simplify right side
    13,390.92x = 120,349,170.24
  5. Step 5: Solve for x
    x = 120,349,170.24/13,390.92
  6. Step 6: Final answer
    x = 8,987.37

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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.