Home / 12,687.44-19,033.95-3,802.41

Finding the Fourth Proportional to 12,687.44, 19,033.95 and 3,802.41

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Solution

The fourth proportional to 12,687.44, 19,033.95 and 3,802.41 is: 5,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.44 : 19,033.95 = 3,802.41 : x
  2. Step 2: Convert to fraction form
    12,687.44/19,033.95 = 3,802.41/x
  3. Step 3: Cross multiply
    12,687.44x = 19,033.95 × 3,802.41
  4. Step 4: Simplify right side
    12,687.44x = 72,374,881.82
  5. Step 5: Solve for x
    x = 72,374,881.82/12,687.44
  6. Step 6: Final answer
    x = 5,704.45

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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.