Home / 11,577.70-15,977.10-6,272.20

Finding the Fourth Proportional to 11,577.70, 15,977.10 and 6,272.20

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Solution

The fourth proportional to 11,577.70, 15,977.10 and 6,272.20 is: 8,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.70 : 15,977.10 = 6,272.20 : x
  2. Step 2: Convert to fraction form
    11,577.70/15,977.10 = 6,272.20/x
  3. Step 3: Cross multiply
    11,577.70x = 15,977.10 × 6,272.20
  4. Step 4: Simplify right side
    11,577.70x = 100,211,566.62
  5. Step 5: Solve for x
    x = 100,211,566.62/11,577.70
  6. Step 6: Final answer
    x = 8,655.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.