Home / 9,344.36-13,994.46-5,178.28

Finding the Fourth Proportional to 9,344.36, 13,994.46 and 5,178.28

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Solution

The fourth proportional to 9,344.36, 13,994.46 and 5,178.28 is: 7,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.36 : 13,994.46 = 5,178.28 : x
  2. Step 2: Convert to fraction form
    9,344.36/13,994.46 = 5,178.28/x
  3. Step 3: Cross multiply
    9,344.36x = 13,994.46 × 5,178.28
  4. Step 4: Simplify right side
    9,344.36x = 72,467,232.33
  5. Step 5: Solve for x
    x = 72,467,232.33/9,344.36
  6. Step 6: Final answer
    x = 7,755.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.