Home / 10,004.22-13,806.65-5,528.85

Finding the Fourth Proportional to 10,004.22, 13,806.65 and 5,528.85

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Solution

The fourth proportional to 10,004.22, 13,806.65 and 5,528.85 is: 7,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.22 : 13,806.65 = 5,528.85 : x
  2. Step 2: Convert to fraction form
    10,004.22/13,806.65 = 5,528.85/x
  3. Step 3: Cross multiply
    10,004.22x = 13,806.65 × 5,528.85
  4. Step 4: Simplify right side
    10,004.22x = 76,334,858.90
  5. Step 5: Solve for x
    x = 76,334,858.90/10,004.22
  6. Step 6: Final answer
    x = 7,630.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.