Home / 13,776.71-20,653.39-5,462.60

Finding the Fourth Proportional to 13,776.71, 20,653.39 and 5,462.60

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Solution

The fourth proportional to 13,776.71, 20,653.39 and 5,462.60 is: 8,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.71 : 20,653.39 = 5,462.60 : x
  2. Step 2: Convert to fraction form
    13,776.71/20,653.39 = 5,462.60/x
  3. Step 3: Cross multiply
    13,776.71x = 20,653.39 × 5,462.60
  4. Step 4: Simplify right side
    13,776.71x = 112,821,180.90
  5. Step 5: Solve for x
    x = 112,821,180.90/13,776.71
  6. Step 6: Final answer
    x = 8,189.27

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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.