Home / 13,759.32-20,620.35-6,253.56

Finding the Fourth Proportional to 13,759.32, 20,620.35 and 6,253.56

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Solution

The fourth proportional to 13,759.32, 20,620.35 and 6,253.56 is: 9,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.32 : 20,620.35 = 6,253.56 : x
  2. Step 2: Convert to fraction form
    13,759.32/20,620.35 = 6,253.56/x
  3. Step 3: Cross multiply
    13,759.32x = 20,620.35 × 6,253.56
  4. Step 4: Simplify right side
    13,759.32x = 128,950,595.95
  5. Step 5: Solve for x
    x = 128,950,595.95/13,759.32
  6. Step 6: Final answer
    x = 9,371.87

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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.