Home / 13,391.17-20,078.65-5,994.25

Finding the Fourth Proportional to 13,391.17, 20,078.65 and 5,994.25

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Solution

The fourth proportional to 13,391.17, 20,078.65 and 5,994.25 is: 8,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.17 : 20,078.65 = 5,994.25 : x
  2. Step 2: Convert to fraction form
    13,391.17/20,078.65 = 5,994.25/x
  3. Step 3: Cross multiply
    13,391.17x = 20,078.65 × 5,994.25
  4. Step 4: Simplify right side
    13,391.17x = 120,356,462.75
  5. Step 5: Solve for x
    x = 120,356,462.75/13,391.17
  6. Step 6: Final answer
    x = 8,987.75

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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.