Home / 17,619.56-26,427.99-6,521.03

Finding the Fourth Proportional to 17,619.56, 26,427.99 and 6,521.03

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Solution

The fourth proportional to 17,619.56, 26,427.99 and 6,521.03 is: 9,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.56 : 26,427.99 = 6,521.03 : x
  2. Step 2: Convert to fraction form
    17,619.56/26,427.99 = 6,521.03/x
  3. Step 3: Cross multiply
    17,619.56x = 26,427.99 × 6,521.03
  4. Step 4: Simplify right side
    17,619.56x = 172,337,715.63
  5. Step 5: Solve for x
    x = 172,337,715.63/17,619.56
  6. Step 6: Final answer
    x = 9,781.05

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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.