Home / 13,266.20-19,937.70-11,576.60

Finding the Fourth Proportional to 13,266.20, 19,937.70 and 11,576.60

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Solution

The fourth proportional to 13,266.20, 19,937.70 and 11,576.60 is: 17,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.20 : 19,937.70 = 11,576.60 : x
  2. Step 2: Convert to fraction form
    13,266.20/19,937.70 = 11,576.60/x
  3. Step 3: Cross multiply
    13,266.20x = 19,937.70 × 11,576.60
  4. Step 4: Simplify right side
    13,266.20x = 230,810,777.82
  5. Step 5: Solve for x
    x = 230,810,777.82/13,266.20
  6. Step 6: Final answer
    x = 17,398.41

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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.