Home / 9,818.60-13,550.03-5,627.66

Finding the Fourth Proportional to 9,818.60, 13,550.03 and 5,627.66

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Solution

The fourth proportional to 9,818.60, 13,550.03 and 5,627.66 is: 7,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.60 : 13,550.03 = 5,627.66 : x
  2. Step 2: Convert to fraction form
    9,818.60/13,550.03 = 5,627.66/x
  3. Step 3: Cross multiply
    9,818.60x = 13,550.03 × 5,627.66
  4. Step 4: Simplify right side
    9,818.60x = 76,254,865.94
  5. Step 5: Solve for x
    x = 76,254,865.94/9,818.60
  6. Step 6: Final answer
    x = 7,766.37

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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.