Home / 9,121.94-13,670.04-4,308.24

Finding the Fourth Proportional to 9,121.94, 13,670.04 and 4,308.24

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Solution

The fourth proportional to 9,121.94, 13,670.04 and 4,308.24 is: 6,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.94 : 13,670.04 = 4,308.24 : x
  2. Step 2: Convert to fraction form
    9,121.94/13,670.04 = 4,308.24/x
  3. Step 3: Cross multiply
    9,121.94x = 13,670.04 × 4,308.24
  4. Step 4: Simplify right side
    9,121.94x = 58,893,813.13
  5. Step 5: Solve for x
    x = 58,893,813.13/9,121.94
  6. Step 6: Final answer
    x = 6,456.29

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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.