Home / 9,939.72-13,716.90-5,958.84

Finding the Fourth Proportional to 9,939.72, 13,716.90 and 5,958.84

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Solution

The fourth proportional to 9,939.72, 13,716.90 and 5,958.84 is: 8,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.72 : 13,716.90 = 5,958.84 : x
  2. Step 2: Convert to fraction form
    9,939.72/13,716.90 = 5,958.84/x
  3. Step 3: Cross multiply
    9,939.72x = 13,716.90 × 5,958.84
  4. Step 4: Simplify right side
    9,939.72x = 81,736,812.40
  5. Step 5: Solve for x
    x = 81,736,812.40/9,939.72
  6. Step 6: Final answer
    x = 8,223.25

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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.