Home / 12,893.76-19,338.35-6,967.89

Finding the Fourth Proportional to 12,893.76, 19,338.35 and 6,967.89

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Solution

The fourth proportional to 12,893.76, 19,338.35 and 6,967.89 is: 10,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.76 : 19,338.35 = 6,967.89 : x
  2. Step 2: Convert to fraction form
    12,893.76/19,338.35 = 6,967.89/x
  3. Step 3: Cross multiply
    12,893.76x = 19,338.35 × 6,967.89
  4. Step 4: Simplify right side
    12,893.76x = 134,747,460.74
  5. Step 5: Solve for x
    x = 134,747,460.74/12,893.76
  6. Step 6: Final answer
    x = 10,450.59

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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.