Home / 14,002.89-21,004.26-4,142.22

Finding the Fourth Proportional to 14,002.89, 21,004.26 and 4,142.22

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Solution

The fourth proportional to 14,002.89, 21,004.26 and 4,142.22 is: 6,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.89 : 21,004.26 = 4,142.22 : x
  2. Step 2: Convert to fraction form
    14,002.89/21,004.26 = 4,142.22/x
  3. Step 3: Cross multiply
    14,002.89x = 21,004.26 × 4,142.22
  4. Step 4: Simplify right side
    14,002.89x = 87,004,265.86
  5. Step 5: Solve for x
    x = 87,004,265.86/14,002.89
  6. Step 6: Final answer
    x = 6,213.31

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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.