Home / 13,961.86-19,267.34-7,993.64

Finding the Fourth Proportional to 13,961.86, 19,267.34 and 7,993.64

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Solution

The fourth proportional to 13,961.86, 19,267.34 and 7,993.64 is: 11,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.86 : 19,267.34 = 7,993.64 : x
  2. Step 2: Convert to fraction form
    13,961.86/19,267.34 = 7,993.64/x
  3. Step 3: Cross multiply
    13,961.86x = 19,267.34 × 7,993.64
  4. Step 4: Simplify right side
    13,961.86x = 154,016,187.92
  5. Step 5: Solve for x
    x = 154,016,187.92/13,961.86
  6. Step 6: Final answer
    x = 11,031.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.