Home / 10,190.07-15,299.70-7,565.67

Finding the Fourth Proportional to 10,190.07, 15,299.70 and 7,565.67

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Solution

The fourth proportional to 10,190.07, 15,299.70 and 7,565.67 is: 11,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.07 : 15,299.70 = 7,565.67 : x
  2. Step 2: Convert to fraction form
    10,190.07/15,299.70 = 7,565.67/x
  3. Step 3: Cross multiply
    10,190.07x = 15,299.70 × 7,565.67
  4. Step 4: Simplify right side
    10,190.07x = 115,752,481.30
  5. Step 5: Solve for x
    x = 115,752,481.30/10,190.07
  6. Step 6: Final answer
    x = 11,359.34

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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.