Home / 9,311.61-13,948.94-5,614.89

Finding the Fourth Proportional to 9,311.61, 13,948.94 and 5,614.89

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Solution

The fourth proportional to 9,311.61, 13,948.94 and 5,614.89 is: 8,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.61 : 13,948.94 = 5,614.89 : x
  2. Step 2: Convert to fraction form
    9,311.61/13,948.94 = 5,614.89/x
  3. Step 3: Cross multiply
    9,311.61x = 13,948.94 × 5,614.89
  4. Step 4: Simplify right side
    9,311.61x = 78,321,735.64
  5. Step 5: Solve for x
    x = 78,321,735.64/9,311.61
  6. Step 6: Final answer
    x = 8,411.19

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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.