Home / 25,131.85-37,640.35-11,993.45

Finding the Fourth Proportional to 25,131.85, 37,640.35 and 11,993.45

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Solution

The fourth proportional to 25,131.85, 37,640.35 and 11,993.45 is: 17,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.85 : 37,640.35 = 11,993.45 : x
  2. Step 2: Convert to fraction form
    25,131.85/37,640.35 = 11,993.45/x
  3. Step 3: Cross multiply
    25,131.85x = 37,640.35 × 11,993.45
  4. Step 4: Simplify right side
    25,131.85x = 451,437,626.76
  5. Step 5: Solve for x
    x = 451,437,626.76/25,131.85
  6. Step 6: Final answer
    x = 17,962.77

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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.