Home / 10,197.09-15,292.80-3,955.91

Finding the Fourth Proportional to 10,197.09, 15,292.80 and 3,955.91

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Solution

The fourth proportional to 10,197.09, 15,292.80 and 3,955.91 is: 5,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.09 : 15,292.80 = 3,955.91 : x
  2. Step 2: Convert to fraction form
    10,197.09/15,292.80 = 3,955.91/x
  3. Step 3: Cross multiply
    10,197.09x = 15,292.80 × 3,955.91
  4. Step 4: Simplify right side
    10,197.09x = 60,496,863.98
  5. Step 5: Solve for x
    x = 60,496,863.98/10,197.09
  6. Step 6: Final answer
    x = 5,932.76

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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.