Home / 13,327.45-19,989.11-4,560.35

Finding the Fourth Proportional to 13,327.45, 19,989.11 and 4,560.35

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Solution

The fourth proportional to 13,327.45, 19,989.11 and 4,560.35 is: 6,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.45 : 19,989.11 = 4,560.35 : x
  2. Step 2: Convert to fraction form
    13,327.45/19,989.11 = 4,560.35/x
  3. Step 3: Cross multiply
    13,327.45x = 19,989.11 × 4,560.35
  4. Step 4: Simplify right side
    13,327.45x = 91,157,249.24
  5. Step 5: Solve for x
    x = 91,157,249.24/13,327.45
  6. Step 6: Final answer
    x = 6,839.81

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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.