Home / 13,771.82-20,655.96-4,411.06

Finding the Fourth Proportional to 13,771.82, 20,655.96 and 4,411.06

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Solution

The fourth proportional to 13,771.82, 20,655.96 and 4,411.06 is: 6,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.82 : 20,655.96 = 4,411.06 : x
  2. Step 2: Convert to fraction form
    13,771.82/20,655.96 = 4,411.06/x
  3. Step 3: Cross multiply
    13,771.82x = 20,655.96 × 4,411.06
  4. Step 4: Simplify right side
    13,771.82x = 91,114,678.92
  5. Step 5: Solve for x
    x = 91,114,678.92/13,771.82
  6. Step 6: Final answer
    x = 6,616.02

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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.