Home / 12,996.74-19,495.10-4,231.64

Finding the Fourth Proportional to 12,996.74, 19,495.10 and 4,231.64

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Solution

The fourth proportional to 12,996.74, 19,495.10 and 4,231.64 is: 6,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.74 : 19,495.10 = 4,231.64 : x
  2. Step 2: Convert to fraction form
    12,996.74/19,495.10 = 4,231.64/x
  3. Step 3: Cross multiply
    12,996.74x = 19,495.10 × 4,231.64
  4. Step 4: Simplify right side
    12,996.74x = 82,496,244.96
  5. Step 5: Solve for x
    x = 82,496,244.96/12,996.74
  6. Step 6: Final answer
    x = 6,347.46

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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.