Home / 12,393.89-18,597.66-5,373.96

Finding the Fourth Proportional to 12,393.89, 18,597.66 and 5,373.96

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Solution

The fourth proportional to 12,393.89, 18,597.66 and 5,373.96 is: 8,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.89 : 18,597.66 = 5,373.96 : x
  2. Step 2: Convert to fraction form
    12,393.89/18,597.66 = 5,373.96/x
  3. Step 3: Cross multiply
    12,393.89x = 18,597.66 × 5,373.96
  4. Step 4: Simplify right side
    12,393.89x = 99,943,080.93
  5. Step 5: Solve for x
    x = 99,943,080.93/12,393.89
  6. Step 6: Final answer
    x = 8,063.90

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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.