Home / 13,577.91-20,362.55-4,341.75

Finding the Fourth Proportional to 13,577.91, 20,362.55 and 4,341.75

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Solution

The fourth proportional to 13,577.91, 20,362.55 and 4,341.75 is: 6,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.91 : 20,362.55 = 4,341.75 : x
  2. Step 2: Convert to fraction form
    13,577.91/20,362.55 = 4,341.75/x
  3. Step 3: Cross multiply
    13,577.91x = 20,362.55 × 4,341.75
  4. Step 4: Simplify right side
    13,577.91x = 88,409,079.75
  5. Step 5: Solve for x
    x = 88,409,079.75/13,577.91
  6. Step 6: Final answer
    x = 6,511.24

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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.