Home / 14,781.36-22,172.22-4,920.64

Finding the Fourth Proportional to 14,781.36, 22,172.22 and 4,920.64

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Solution

The fourth proportional to 14,781.36, 22,172.22 and 4,920.64 is: 7,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.36 : 22,172.22 = 4,920.64 : x
  2. Step 2: Convert to fraction form
    14,781.36/22,172.22 = 4,920.64/x
  3. Step 3: Cross multiply
    14,781.36x = 22,172.22 × 4,920.64
  4. Step 4: Simplify right side
    14,781.36x = 109,101,512.62
  5. Step 5: Solve for x
    x = 109,101,512.62/14,781.36
  6. Step 6: Final answer
    x = 7,381.02

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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.