Home / 13,486.99-20,232.92-4,126.84

Finding the Fourth Proportional to 13,486.99, 20,232.92 and 4,126.84

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Solution

The fourth proportional to 13,486.99, 20,232.92 and 4,126.84 is: 6,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.99 : 20,232.92 = 4,126.84 : x
  2. Step 2: Convert to fraction form
    13,486.99/20,232.92 = 4,126.84/x
  3. Step 3: Cross multiply
    13,486.99x = 20,232.92 × 4,126.84
  4. Step 4: Simplify right side
    13,486.99x = 83,498,023.57
  5. Step 5: Solve for x
    x = 83,498,023.57/13,486.99
  6. Step 6: Final answer
    x = 6,191.01

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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.