Home / 25,173.80-37,758.26-7,643.78

Finding the Fourth Proportional to 25,173.80, 37,758.26 and 7,643.78

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Solution

The fourth proportional to 25,173.80, 37,758.26 and 7,643.78 is: 11,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.80 : 37,758.26 = 7,643.78 : x
  2. Step 2: Convert to fraction form
    25,173.80/37,758.26 = 7,643.78/x
  3. Step 3: Cross multiply
    25,173.80x = 37,758.26 × 7,643.78
  4. Step 4: Simplify right side
    25,173.80x = 288,615,832.62
  5. Step 5: Solve for x
    x = 288,615,832.62/25,173.80
  6. Step 6: Final answer
    x = 11,464.93

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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.