Home / 14,722.62-20,318.07-8,349.47

Finding the Fourth Proportional to 14,722.62, 20,318.07 and 8,349.47

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Solution

The fourth proportional to 14,722.62, 20,318.07 and 8,349.47 is: 11,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.62 : 20,318.07 = 8,349.47 : x
  2. Step 2: Convert to fraction form
    14,722.62/20,318.07 = 8,349.47/x
  3. Step 3: Cross multiply
    14,722.62x = 20,318.07 × 8,349.47
  4. Step 4: Simplify right side
    14,722.62x = 169,645,014.33
  5. Step 5: Solve for x
    x = 169,645,014.33/14,722.62
  6. Step 6: Final answer
    x = 11,522.75

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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.