Home / 13,189.63-19,789.62-5,788.93

Finding the Fourth Proportional to 13,189.63, 19,789.62 and 5,788.93

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Solution

The fourth proportional to 13,189.63, 19,789.62 and 5,788.93 is: 8,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.63 : 19,789.62 = 5,788.93 : x
  2. Step 2: Convert to fraction form
    13,189.63/19,789.62 = 5,788.93/x
  3. Step 3: Cross multiply
    13,189.63x = 19,789.62 × 5,788.93
  4. Step 4: Simplify right side
    13,189.63x = 114,560,724.91
  5. Step 5: Solve for x
    x = 114,560,724.91/13,189.63
  6. Step 6: Final answer
    x = 8,685.67

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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.