Home / 13,631.72-20,423.28-9,233.42

Finding the Fourth Proportional to 13,631.72, 20,423.28 and 9,233.42

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Solution

The fourth proportional to 13,631.72, 20,423.28 and 9,233.42 is: 13,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.72 : 20,423.28 = 9,233.42 : x
  2. Step 2: Convert to fraction form
    13,631.72/20,423.28 = 9,233.42/x
  3. Step 3: Cross multiply
    13,631.72x = 20,423.28 × 9,233.42
  4. Step 4: Simplify right side
    13,631.72x = 188,576,722.02
  5. Step 5: Solve for x
    x = 188,576,722.02/13,631.72
  6. Step 6: Final answer
    x = 13,833.67

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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.