Home / 11,490.90-17,232.30-4,095.60

Finding the Fourth Proportional to 11,490.90, 17,232.30 and 4,095.60

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Solution

The fourth proportional to 11,490.90, 17,232.30 and 4,095.60 is: 6,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.90 : 17,232.30 = 4,095.60 : x
  2. Step 2: Convert to fraction form
    11,490.90/17,232.30 = 4,095.60/x
  3. Step 3: Cross multiply
    11,490.90x = 17,232.30 × 4,095.60
  4. Step 4: Simplify right side
    11,490.90x = 70,576,607.88
  5. Step 5: Solve for x
    x = 70,576,607.88/11,490.90
  6. Step 6: Final answer
    x = 6,141.96

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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.