Home / 11,378.34-17,060.99-3,478.66

Finding the Fourth Proportional to 11,378.34, 17,060.99 and 3,478.66

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Solution

The fourth proportional to 11,378.34, 17,060.99 and 3,478.66 is: 5,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.34 : 17,060.99 = 3,478.66 : x
  2. Step 2: Convert to fraction form
    11,378.34/17,060.99 = 3,478.66/x
  3. Step 3: Cross multiply
    11,378.34x = 17,060.99 × 3,478.66
  4. Step 4: Simplify right side
    11,378.34x = 59,349,323.43
  5. Step 5: Solve for x
    x = 59,349,323.43/11,378.34
  6. Step 6: Final answer
    x = 5,215.99

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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.