Home / 17,457.36-26,187.26-5,778.78

Finding the Fourth Proportional to 17,457.36, 26,187.26 and 5,778.78

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Solution

The fourth proportional to 17,457.36, 26,187.26 and 5,778.78 is: 8,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.36 : 26,187.26 = 5,778.78 : x
  2. Step 2: Convert to fraction form
    17,457.36/26,187.26 = 5,778.78/x
  3. Step 3: Cross multiply
    17,457.36x = 26,187.26 × 5,778.78
  4. Step 4: Simplify right side
    17,457.36x = 151,330,414.34
  5. Step 5: Solve for x
    x = 151,330,414.34/17,457.36
  6. Step 6: Final answer
    x = 8,668.57

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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.