Home / 10,819.03-14,926.26-7,993.21

Finding the Fourth Proportional to 10,819.03, 14,926.26 and 7,993.21

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Solution

The fourth proportional to 10,819.03, 14,926.26 and 7,993.21 is: 11,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.03 : 14,926.26 = 7,993.21 : x
  2. Step 2: Convert to fraction form
    10,819.03/14,926.26 = 7,993.21/x
  3. Step 3: Cross multiply
    10,819.03x = 14,926.26 × 7,993.21
  4. Step 4: Simplify right side
    10,819.03x = 119,308,730.69
  5. Step 5: Solve for x
    x = 119,308,730.69/10,819.03
  6. Step 6: Final answer
    x = 11,027.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.