Home / 11,644.20-17,466.30-11,471.40

Finding the Fourth Proportional to 11,644.20, 17,466.30 and 11,471.40

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Solution

The fourth proportional to 11,644.20, 17,466.30 and 11,471.40 is: 17,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.20 : 17,466.30 = 11,471.40 : x
  2. Step 2: Convert to fraction form
    11,644.20/17,466.30 = 11,471.40/x
  3. Step 3: Cross multiply
    11,644.20x = 17,466.30 × 11,471.40
  4. Step 4: Simplify right side
    11,644.20x = 200,362,913.82
  5. Step 5: Solve for x
    x = 200,362,913.82/11,644.20
  6. Step 6: Final answer
    x = 17,207.10

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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.