Home / 14,004.45-21,006.72-3,616.20

Finding the Fourth Proportional to 14,004.45, 21,006.72 and 3,616.20

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Solution

The fourth proportional to 14,004.45, 21,006.72 and 3,616.20 is: 5,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.45 : 21,006.72 = 3,616.20 : x
  2. Step 2: Convert to fraction form
    14,004.45/21,006.72 = 3,616.20/x
  3. Step 3: Cross multiply
    14,004.45x = 21,006.72 × 3,616.20
  4. Step 4: Simplify right side
    14,004.45x = 75,964,500.86
  5. Step 5: Solve for x
    x = 75,964,500.86/14,004.45
  6. Step 6: Final answer
    x = 5,424.31

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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.