Home / 22,247.83-30,699.04-12,814.57

Finding the Fourth Proportional to 22,247.83, 30,699.04 and 12,814.57

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Solution

The fourth proportional to 22,247.83, 30,699.04 and 12,814.57 is: 17,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.83 : 30,699.04 = 12,814.57 : x
  2. Step 2: Convert to fraction form
    22,247.83/30,699.04 = 12,814.57/x
  3. Step 3: Cross multiply
    22,247.83x = 30,699.04 × 12,814.57
  4. Step 4: Simplify right side
    22,247.83x = 393,394,997.01
  5. Step 5: Solve for x
    x = 393,394,997.01/22,247.83
  6. Step 6: Final answer
    x = 17,682.40

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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.