Home / 11,819.03-17,709.40-5,564.21

Finding the Fourth Proportional to 11,819.03, 17,709.40 and 5,564.21

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Solution

The fourth proportional to 11,819.03, 17,709.40 and 5,564.21 is: 8,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.03 : 17,709.40 = 5,564.21 : x
  2. Step 2: Convert to fraction form
    11,819.03/17,709.40 = 5,564.21/x
  3. Step 3: Cross multiply
    11,819.03x = 17,709.40 × 5,564.21
  4. Step 4: Simplify right side
    11,819.03x = 98,538,738.98
  5. Step 5: Solve for x
    x = 98,538,738.98/11,819.03
  6. Step 6: Final answer
    x = 8,337.30

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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.