Home / 13,119.71-19,667.75-4,793.90

Finding the Fourth Proportional to 13,119.71, 19,667.75 and 4,793.90

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Solution

The fourth proportional to 13,119.71, 19,667.75 and 4,793.90 is: 7,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.71 : 19,667.75 = 4,793.90 : x
  2. Step 2: Convert to fraction form
    13,119.71/19,667.75 = 4,793.90/x
  3. Step 3: Cross multiply
    13,119.71x = 19,667.75 × 4,793.90
  4. Step 4: Simplify right side
    13,119.71x = 94,285,104.42
  5. Step 5: Solve for x
    x = 94,285,104.42/13,119.71
  6. Step 6: Final answer
    x = 7,186.53

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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.