Home / 13,932.37-20,904.03-6,135.72

Finding the Fourth Proportional to 13,932.37, 20,904.03 and 6,135.72

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Solution

The fourth proportional to 13,932.37, 20,904.03 and 6,135.72 is: 9,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.37 : 20,904.03 = 6,135.72 : x
  2. Step 2: Convert to fraction form
    13,932.37/20,904.03 = 6,135.72/x
  3. Step 3: Cross multiply
    13,932.37x = 20,904.03 × 6,135.72
  4. Step 4: Simplify right side
    13,932.37x = 128,261,274.95
  5. Step 5: Solve for x
    x = 128,261,274.95/13,932.37
  6. Step 6: Final answer
    x = 9,205.99

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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.