Home / 9,958.16-13,738.44-5,765.84

Finding the Fourth Proportional to 9,958.16, 13,738.44 and 5,765.84

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Solution

The fourth proportional to 9,958.16, 13,738.44 and 5,765.84 is: 7,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.16 : 13,738.44 = 5,765.84 : x
  2. Step 2: Convert to fraction form
    9,958.16/13,738.44 = 5,765.84/x
  3. Step 3: Cross multiply
    9,958.16x = 13,738.44 × 5,765.84
  4. Step 4: Simplify right side
    9,958.16x = 79,213,646.89
  5. Step 5: Solve for x
    x = 79,213,646.89/9,958.16
  6. Step 6: Final answer
    x = 7,954.65

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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.