Home / 15,431.01-23,155.96-6,665.73

Finding the Fourth Proportional to 15,431.01, 23,155.96 and 6,665.73

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Solution

The fourth proportional to 15,431.01, 23,155.96 and 6,665.73 is: 10,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.01 : 23,155.96 = 6,665.73 : x
  2. Step 2: Convert to fraction form
    15,431.01/23,155.96 = 6,665.73/x
  3. Step 3: Cross multiply
    15,431.01x = 23,155.96 × 6,665.73
  4. Step 4: Simplify right side
    15,431.01x = 154,351,377.25
  5. Step 5: Solve for x
    x = 154,351,377.25/15,431.01
  6. Step 6: Final answer
    x = 10,002.67

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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.