Home / 13,759.68-20,639.52-4,994.58

Finding the Fourth Proportional to 13,759.68, 20,639.52 and 4,994.58

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Solution

The fourth proportional to 13,759.68, 20,639.52 and 4,994.58 is: 7,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.68 : 20,639.52 = 4,994.58 : x
  2. Step 2: Convert to fraction form
    13,759.68/20,639.52 = 4,994.58/x
  3. Step 3: Cross multiply
    13,759.68x = 20,639.52 × 4,994.58
  4. Step 4: Simplify right side
    13,759.68x = 103,085,733.80
  5. Step 5: Solve for x
    x = 103,085,733.80/13,759.68
  6. Step 6: Final answer
    x = 7,491.87

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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.