Home / 13,493.88-20,238.90-6,106.68

Finding the Fourth Proportional to 13,493.88, 20,238.90 and 6,106.68

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Solution

The fourth proportional to 13,493.88, 20,238.90 and 6,106.68 is: 9,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.88 : 20,238.90 = 6,106.68 : x
  2. Step 2: Convert to fraction form
    13,493.88/20,238.90 = 6,106.68/x
  3. Step 3: Cross multiply
    13,493.88x = 20,238.90 × 6,106.68
  4. Step 4: Simplify right side
    13,493.88x = 123,592,485.85
  5. Step 5: Solve for x
    x = 123,592,485.85/13,493.88
  6. Step 6: Final answer
    x = 9,159.15

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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.