Home / 17,638.43-26,457.29-4,311.51

Finding the Fourth Proportional to 17,638.43, 26,457.29 and 4,311.51

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Solution

The fourth proportional to 17,638.43, 26,457.29 and 4,311.51 is: 6,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.43 : 26,457.29 = 4,311.51 : x
  2. Step 2: Convert to fraction form
    17,638.43/26,457.29 = 4,311.51/x
  3. Step 3: Cross multiply
    17,638.43x = 26,457.29 × 4,311.51
  4. Step 4: Simplify right side
    17,638.43x = 114,070,848.85
  5. Step 5: Solve for x
    x = 114,070,848.85/17,638.43
  6. Step 6: Final answer
    x = 6,467.18

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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.