Home / 17,219.41-25,788.11-11,959.67

Finding the Fourth Proportional to 17,219.41, 25,788.11 and 11,959.67

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Solution

The fourth proportional to 17,219.41, 25,788.11 and 11,959.67 is: 17,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.41 : 25,788.11 = 11,959.67 : x
  2. Step 2: Convert to fraction form
    17,219.41/25,788.11 = 11,959.67/x
  3. Step 3: Cross multiply
    17,219.41x = 25,788.11 × 11,959.67
  4. Step 4: Simplify right side
    17,219.41x = 308,417,290.20
  5. Step 5: Solve for x
    x = 308,417,290.20/17,219.41
  6. Step 6: Final answer
    x = 17,911.03

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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.