Home / 17,673.48-26,503.72-5,190.30

Finding the Fourth Proportional to 17,673.48, 26,503.72 and 5,190.30

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Solution

The fourth proportional to 17,673.48, 26,503.72 and 5,190.30 is: 7,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.48 : 26,503.72 = 5,190.30 : x
  2. Step 2: Convert to fraction form
    17,673.48/26,503.72 = 5,190.30/x
  3. Step 3: Cross multiply
    17,673.48x = 26,503.72 × 5,190.30
  4. Step 4: Simplify right side
    17,673.48x = 137,562,257.92
  5. Step 5: Solve for x
    x = 137,562,257.92/17,673.48
  6. Step 6: Final answer
    x = 7,783.54

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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.