Home / 15,930.74-23,920.79-8,549.62

Finding the Fourth Proportional to 15,930.74, 23,920.79 and 8,549.62

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Solution

The fourth proportional to 15,930.74, 23,920.79 and 8,549.62 is: 12,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.74 : 23,920.79 = 8,549.62 : x
  2. Step 2: Convert to fraction form
    15,930.74/23,920.79 = 8,549.62/x
  3. Step 3: Cross multiply
    15,930.74x = 23,920.79 × 8,549.62
  4. Step 4: Simplify right side
    15,930.74x = 204,513,562.05
  5. Step 5: Solve for x
    x = 204,513,562.05/15,930.74
  6. Step 6: Final answer
    x = 12,837.67

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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.