Home / 25,146.93-37,728.59-11,997.60

Finding the Fourth Proportional to 25,146.93, 37,728.59 and 11,997.60

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Solution

The fourth proportional to 25,146.93, 37,728.59 and 11,997.60 is: 18,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.93 : 37,728.59 = 11,997.60 : x
  2. Step 2: Convert to fraction form
    25,146.93/37,728.59 = 11,997.60/x
  3. Step 3: Cross multiply
    25,146.93x = 37,728.59 × 11,997.60
  4. Step 4: Simplify right side
    25,146.93x = 452,652,625.71
  5. Step 5: Solve for x
    x = 452,652,625.71/25,146.93
  6. Step 6: Final answer
    x = 18,000.31

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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.