Home / 12,741.05-17,576.51-8,266.20

Finding the Fourth Proportional to 12,741.05, 17,576.51 and 8,266.20

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Solution

The fourth proportional to 12,741.05, 17,576.51 and 8,266.20 is: 11,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.05 : 17,576.51 = 8,266.20 : x
  2. Step 2: Convert to fraction form
    12,741.05/17,576.51 = 8,266.20/x
  3. Step 3: Cross multiply
    12,741.05x = 17,576.51 × 8,266.20
  4. Step 4: Simplify right side
    12,741.05x = 145,290,905.63
  5. Step 5: Solve for x
    x = 145,290,905.63/12,741.05
  6. Step 6: Final answer
    x = 11,403.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.