Home / 13,751.82-20,627.73-4,986.74

Finding the Fourth Proportional to 13,751.82, 20,627.73 and 4,986.74

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Solution

The fourth proportional to 13,751.82, 20,627.73 and 4,986.74 is: 7,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.82 : 20,627.73 = 4,986.74 : x
  2. Step 2: Convert to fraction form
    13,751.82/20,627.73 = 4,986.74/x
  3. Step 3: Cross multiply
    13,751.82x = 20,627.73 × 4,986.74
  4. Step 4: Simplify right side
    13,751.82x = 102,865,023.16
  5. Step 5: Solve for x
    x = 102,865,023.16/13,751.82
  6. Step 6: Final answer
    x = 7,480.10

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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.