Home / 11,286.98-15,577.85-7,319.63

Finding the Fourth Proportional to 11,286.98, 15,577.85 and 7,319.63

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Solution

The fourth proportional to 11,286.98, 15,577.85 and 7,319.63 is: 10,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.98 : 15,577.85 = 7,319.63 : x
  2. Step 2: Convert to fraction form
    11,286.98/15,577.85 = 7,319.63/x
  3. Step 3: Cross multiply
    11,286.98x = 15,577.85 × 7,319.63
  4. Step 4: Simplify right side
    11,286.98x = 114,024,155.44
  5. Step 5: Solve for x
    x = 114,024,155.44/11,286.98
  6. Step 6: Final answer
    x = 10,102.27

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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.