Home / 13,750.28-20,627.76-4,863.14

Finding the Fourth Proportional to 13,750.28, 20,627.76 and 4,863.14

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Solution

The fourth proportional to 13,750.28, 20,627.76 and 4,863.14 is: 7,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.28 : 20,627.76 = 4,863.14 : x
  2. Step 2: Convert to fraction form
    13,750.28/20,627.76 = 4,863.14/x
  3. Step 3: Cross multiply
    13,750.28x = 20,627.76 × 4,863.14
  4. Step 4: Simplify right side
    13,750.28x = 100,315,684.77
  5. Step 5: Solve for x
    x = 100,315,684.77/13,750.28
  6. Step 6: Final answer
    x = 7,295.54

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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.