Home / 13,734.22-18,953.02-7,765.69

Finding the Fourth Proportional to 13,734.22, 18,953.02 and 7,765.69

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Solution

The fourth proportional to 13,734.22, 18,953.02 and 7,765.69 is: 10,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.22 : 18,953.02 = 7,765.69 : x
  2. Step 2: Convert to fraction form
    13,734.22/18,953.02 = 7,765.69/x
  3. Step 3: Cross multiply
    13,734.22x = 18,953.02 × 7,765.69
  4. Step 4: Simplify right side
    13,734.22x = 147,183,277.88
  5. Step 5: Solve for x
    x = 147,183,277.88/13,734.22
  6. Step 6: Final answer
    x = 10,716.54

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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.