Home / 10,103.22-13,941.45-5,626.80

Finding the Fourth Proportional to 10,103.22, 13,941.45 and 5,626.80

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Solution

The fourth proportional to 10,103.22, 13,941.45 and 5,626.80 is: 7,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.22 : 13,941.45 = 5,626.80 : x
  2. Step 2: Convert to fraction form
    10,103.22/13,941.45 = 5,626.80/x
  3. Step 3: Cross multiply
    10,103.22x = 13,941.45 × 5,626.80
  4. Step 4: Simplify right side
    10,103.22x = 78,445,750.86
  5. Step 5: Solve for x
    x = 78,445,750.86/10,103.22
  6. Step 6: Final answer
    x = 7,764.43

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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.