Home / 13,577.62-20,362.43-4,089.55

Finding the Fourth Proportional to 13,577.62, 20,362.43 and 4,089.55

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Solution

The fourth proportional to 13,577.62, 20,362.43 and 4,089.55 is: 6,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.62 : 20,362.43 = 4,089.55 : x
  2. Step 2: Convert to fraction form
    13,577.62/20,362.43 = 4,089.55/x
  3. Step 3: Cross multiply
    13,577.62x = 20,362.43 × 4,089.55
  4. Step 4: Simplify right side
    13,577.62x = 83,273,053.35
  5. Step 5: Solve for x
    x = 83,273,053.35/13,577.62
  6. Step 6: Final answer
    x = 6,133.11

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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.