Home / 12,936.74-19,398.96-5,914.67

Finding the Fourth Proportional to 12,936.74, 19,398.96 and 5,914.67

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Solution

The fourth proportional to 12,936.74, 19,398.96 and 5,914.67 is: 8,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.74 : 19,398.96 = 5,914.67 : x
  2. Step 2: Convert to fraction form
    12,936.74/19,398.96 = 5,914.67/x
  3. Step 3: Cross multiply
    12,936.74x = 19,398.96 × 5,914.67
  4. Step 4: Simplify right side
    12,936.74x = 114,738,349.75
  5. Step 5: Solve for x
    x = 114,738,349.75/12,936.74
  6. Step 6: Final answer
    x = 8,869.19

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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.