Home / 12,961.35-19,429.67-5,938.34

Finding the Fourth Proportional to 12,961.35, 19,429.67 and 5,938.34

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Solution

The fourth proportional to 12,961.35, 19,429.67 and 5,938.34 is: 8,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.35 : 19,429.67 = 5,938.34 : x
  2. Step 2: Convert to fraction form
    12,961.35/19,429.67 = 5,938.34/x
  3. Step 3: Cross multiply
    12,961.35x = 19,429.67 × 5,938.34
  4. Step 4: Simplify right side
    12,961.35x = 115,379,904.25
  5. Step 5: Solve for x
    x = 115,379,904.25/12,961.35
  6. Step 6: Final answer
    x = 8,901.84

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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.