Home / 22,138.52-33,189.68-10,299.67

Finding the Fourth Proportional to 22,138.52, 33,189.68 and 10,299.67

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Solution

The fourth proportional to 22,138.52, 33,189.68 and 10,299.67 is: 15,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.52 : 33,189.68 = 10,299.67 : x
  2. Step 2: Convert to fraction form
    22,138.52/33,189.68 = 10,299.67/x
  3. Step 3: Cross multiply
    22,138.52x = 33,189.68 × 10,299.67
  4. Step 4: Simplify right side
    22,138.52x = 341,842,751.41
  5. Step 5: Solve for x
    x = 341,842,751.41/22,138.52
  6. Step 6: Final answer
    x = 15,441.08

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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.