Home / 17,638.12-26,457.99-4,490.60

Finding the Fourth Proportional to 17,638.12, 26,457.99 and 4,490.60

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Solution

The fourth proportional to 17,638.12, 26,457.99 and 4,490.60 is: 6,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.12 : 26,457.99 = 4,490.60 : x
  2. Step 2: Convert to fraction form
    17,638.12/26,457.99 = 4,490.60/x
  3. Step 3: Cross multiply
    17,638.12x = 26,457.99 × 4,490.60
  4. Step 4: Simplify right side
    17,638.12x = 118,812,249.89
  5. Step 5: Solve for x
    x = 118,812,249.89/17,638.12
  6. Step 6: Final answer
    x = 6,736.11

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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.