Home / 30,135.67-45,197.33-11,409.26

Finding the Fourth Proportional to 30,135.67, 45,197.33 and 11,409.26

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Solution

The fourth proportional to 30,135.67, 45,197.33 and 11,409.26 is: 17,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.67 : 45,197.33 = 11,409.26 : x
  2. Step 2: Convert to fraction form
    30,135.67/45,197.33 = 11,409.26/x
  3. Step 3: Cross multiply
    30,135.67x = 45,197.33 × 11,409.26
  4. Step 4: Simplify right side
    30,135.67x = 515,667,806.24
  5. Step 5: Solve for x
    x = 515,667,806.24/30,135.67
  6. Step 6: Final answer
    x = 17,111.54

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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.