Home / 25,131.36-37,697.87-12,644.55

Finding the Fourth Proportional to 25,131.36, 37,697.87 and 12,644.55

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Solution

The fourth proportional to 25,131.36, 37,697.87 and 12,644.55 is: 18,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.36 : 37,697.87 = 12,644.55 : x
  2. Step 2: Convert to fraction form
    25,131.36/37,697.87 = 12,644.55/x
  3. Step 3: Cross multiply
    25,131.36x = 37,697.87 × 12,644.55
  4. Step 4: Simplify right side
    25,131.36x = 476,672,350.40
  5. Step 5: Solve for x
    x = 476,672,350.40/25,131.36
  6. Step 6: Final answer
    x = 18,967.24

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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.