Home / 12,840.26-19,256.56-5,444.60

Finding the Fourth Proportional to 12,840.26, 19,256.56 and 5,444.60

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Solution

The fourth proportional to 12,840.26, 19,256.56 and 5,444.60 is: 8,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840.26 : 19,256.56 = 5,444.60 : x
  2. Step 2: Convert to fraction form
    12,840.26/19,256.56 = 5,444.60/x
  3. Step 3: Cross multiply
    12,840.26x = 19,256.56 × 5,444.60
  4. Step 4: Simplify right side
    12,840.26x = 104,844,156.68
  5. Step 5: Solve for x
    x = 104,844,156.68/12,840.26
  6. Step 6: Final answer
    x = 8,165.27

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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.