Home / 11,490.80-17,235.72-3,699.44

Finding the Fourth Proportional to 11,490.80, 17,235.72 and 3,699.44

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Solution

The fourth proportional to 11,490.80, 17,235.72 and 3,699.44 is: 5,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.80 : 17,235.72 = 3,699.44 : x
  2. Step 2: Convert to fraction form
    11,490.80/17,235.72 = 3,699.44/x
  3. Step 3: Cross multiply
    11,490.80x = 17,235.72 × 3,699.44
  4. Step 4: Simplify right side
    11,490.80x = 63,762,512.00
  5. Step 5: Solve for x
    x = 63,762,512.00/11,490.80
  6. Step 6: Final answer
    x = 5,549.01

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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.