Home / 11,490.12-17,237.88-3,698.64

Finding the Fourth Proportional to 11,490.12, 17,237.88 and 3,698.64

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Solution

The fourth proportional to 11,490.12, 17,237.88 and 3,698.64 is: 5,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.12 : 17,237.88 = 3,698.64 : x
  2. Step 2: Convert to fraction form
    11,490.12/17,237.88 = 3,698.64/x
  3. Step 3: Cross multiply
    11,490.12x = 17,237.88 × 3,698.64
  4. Step 4: Simplify right side
    11,490.12x = 63,756,712.48
  5. Step 5: Solve for x
    x = 63,756,712.48/11,490.12
  6. Step 6: Final answer
    x = 5,548.83

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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.