Home / 14,002.08-21,003.12-3,613.83

Finding the Fourth Proportional to 14,002.08, 21,003.12 and 3,613.83

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Solution

The fourth proportional to 14,002.08, 21,003.12 and 3,613.83 is: 5,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.08 : 21,003.12 = 3,613.83 : x
  2. Step 2: Convert to fraction form
    14,002.08/21,003.12 = 3,613.83/x
  3. Step 3: Cross multiply
    14,002.08x = 21,003.12 × 3,613.83
  4. Step 4: Simplify right side
    14,002.08x = 75,901,705.15
  5. Step 5: Solve for x
    x = 75,901,705.15/14,002.08
  6. Step 6: Final answer
    x = 5,420.75

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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.