Home / 9,314.20-13,964.64-4,381.30

Finding the Fourth Proportional to 9,314.20, 13,964.64 and 4,381.30

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Solution

The fourth proportional to 9,314.20, 13,964.64 and 4,381.30 is: 6,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.20 : 13,964.64 = 4,381.30 : x
  2. Step 2: Convert to fraction form
    9,314.20/13,964.64 = 4,381.30/x
  3. Step 3: Cross multiply
    9,314.20x = 13,964.64 × 4,381.30
  4. Step 4: Simplify right side
    9,314.20x = 61,183,277.23
  5. Step 5: Solve for x
    x = 61,183,277.23/9,314.20
  6. Step 6: Final answer
    x = 6,568.82

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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.