Home / 12,366.11-18,507.85-7,352.21

Finding the Fourth Proportional to 12,366.11, 18,507.85 and 7,352.21

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Solution

The fourth proportional to 12,366.11, 18,507.85 and 7,352.21 is: 11,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.11 : 18,507.85 = 7,352.21 : x
  2. Step 2: Convert to fraction form
    12,366.11/18,507.85 = 7,352.21/x
  3. Step 3: Cross multiply
    12,366.11x = 18,507.85 × 7,352.21
  4. Step 4: Simplify right side
    12,366.11x = 136,073,599.85
  5. Step 5: Solve for x
    x = 136,073,599.85/12,366.11
  6. Step 6: Final answer
    x = 11,003.75

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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.