Home / 25,019.89-37,529.80-11,865.09

Finding the Fourth Proportional to 25,019.89, 37,529.80 and 11,865.09

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Solution

The fourth proportional to 25,019.89, 37,529.80 and 11,865.09 is: 17,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.89 : 37,529.80 = 11,865.09 : x
  2. Step 2: Convert to fraction form
    25,019.89/37,529.80 = 11,865.09/x
  3. Step 3: Cross multiply
    25,019.89x = 37,529.80 × 11,865.09
  4. Step 4: Simplify right side
    25,019.89x = 445,294,454.68
  5. Step 5: Solve for x
    x = 445,294,454.68/25,019.89
  6. Step 6: Final answer
    x = 17,797.62

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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.