Home / 14,003.17-21,004.62-4,142.64

Finding the Fourth Proportional to 14,003.17, 21,004.62 and 4,142.64

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Solution

The fourth proportional to 14,003.17, 21,004.62 and 4,142.64 is: 6,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.17 : 21,004.62 = 4,142.64 : x
  2. Step 2: Convert to fraction form
    14,003.17/21,004.62 = 4,142.64/x
  3. Step 3: Cross multiply
    14,003.17x = 21,004.62 × 4,142.64
  4. Step 4: Simplify right side
    14,003.17x = 87,014,579.00
  5. Step 5: Solve for x
    x = 87,014,579.00/14,003.17
  6. Step 6: Final answer
    x = 6,213.92

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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.