Home / 17,638.05-26,457.89-4,490.54

Finding the Fourth Proportional to 17,638.05, 26,457.89 and 4,490.54

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Solution

The fourth proportional to 17,638.05, 26,457.89 and 4,490.54 is: 6,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.05 : 26,457.89 = 4,490.54 : x
  2. Step 2: Convert to fraction form
    17,638.05/26,457.89 = 4,490.54/x
  3. Step 3: Cross multiply
    17,638.05x = 26,457.89 × 4,490.54
  4. Step 4: Simplify right side
    17,638.05x = 118,810,213.36
  5. Step 5: Solve for x
    x = 118,810,213.36/17,638.05
  6. Step 6: Final answer
    x = 6,736.02

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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.