Home / 13,627.87-20,429.48-4,860.74

Finding the Fourth Proportional to 13,627.87, 20,429.48 and 4,860.74

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Solution

The fourth proportional to 13,627.87, 20,429.48 and 4,860.74 is: 7,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.87 : 20,429.48 = 4,860.74 : x
  2. Step 2: Convert to fraction form
    13,627.87/20,429.48 = 4,860.74/x
  3. Step 3: Cross multiply
    13,627.87x = 20,429.48 × 4,860.74
  4. Step 4: Simplify right side
    13,627.87x = 99,302,453.84
  5. Step 5: Solve for x
    x = 99,302,453.84/13,627.87
  6. Step 6: Final answer
    x = 7,286.72

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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.