Home / 14,416.82-21,623.62-3,887.89

Finding the Fourth Proportional to 14,416.82, 21,623.62 and 3,887.89

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Solution

The fourth proportional to 14,416.82, 21,623.62 and 3,887.89 is: 5,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.82 : 21,623.62 = 3,887.89 : x
  2. Step 2: Convert to fraction form
    14,416.82/21,623.62 = 3,887.89/x
  3. Step 3: Cross multiply
    14,416.82x = 21,623.62 × 3,887.89
  4. Step 4: Simplify right side
    14,416.82x = 84,070,255.96
  5. Step 5: Solve for x
    x = 84,070,255.96/14,416.82
  6. Step 6: Final answer
    x = 5,831.40

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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.