Home / 22,231.98-30,688.68-13,735.50

Finding the Fourth Proportional to 22,231.98, 30,688.68 and 13,735.50

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Solution

The fourth proportional to 22,231.98, 30,688.68 and 13,735.50 is: 18,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.98 : 30,688.68 = 13,735.50 : x
  2. Step 2: Convert to fraction form
    22,231.98/30,688.68 = 13,735.50/x
  3. Step 3: Cross multiply
    22,231.98x = 30,688.68 × 13,735.50
  4. Step 4: Simplify right side
    22,231.98x = 421,524,364.14
  5. Step 5: Solve for x
    x = 421,524,364.14/22,231.98
  6. Step 6: Final answer
    x = 18,960.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.