Home / 11,490.75-17,238.60-3,700.17

Finding the Fourth Proportional to 11,490.75, 17,238.60 and 3,700.17

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Solution

The fourth proportional to 11,490.75, 17,238.60 and 3,700.17 is: 5,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.75 : 17,238.60 = 3,700.17 : x
  2. Step 2: Convert to fraction form
    11,490.75/17,238.60 = 3,700.17/x
  3. Step 3: Cross multiply
    11,490.75x = 17,238.60 × 3,700.17
  4. Step 4: Simplify right side
    11,490.75x = 63,785,750.56
  5. Step 5: Solve for x
    x = 63,785,750.56/11,490.75
  6. Step 6: Final answer
    x = 5,551.05

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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.