Home / 12,996.38-19,494.40-3,135.59

Finding the Fourth Proportional to 12,996.38, 19,494.40 and 3,135.59

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Solution

The fourth proportional to 12,996.38, 19,494.40 and 3,135.59 is: 4,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.38 : 19,494.40 = 3,135.59 : x
  2. Step 2: Convert to fraction form
    12,996.38/19,494.40 = 3,135.59/x
  3. Step 3: Cross multiply
    12,996.38x = 19,494.40 × 3,135.59
  4. Step 4: Simplify right side
    12,996.38x = 61,126,445.70
  5. Step 5: Solve for x
    x = 61,126,445.70/12,996.38
  6. Step 6: Final answer
    x = 4,703.34

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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.