Home / 12,735.51-19,103.27-4,415.53

Finding the Fourth Proportional to 12,735.51, 19,103.27 and 4,415.53

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Solution

The fourth proportional to 12,735.51, 19,103.27 and 4,415.53 is: 6,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.51 : 19,103.27 = 4,415.53 : x
  2. Step 2: Convert to fraction form
    12,735.51/19,103.27 = 4,415.53/x
  3. Step 3: Cross multiply
    12,735.51x = 19,103.27 × 4,415.53
  4. Step 4: Simplify right side
    12,735.51x = 84,351,025.06
  5. Step 5: Solve for x
    x = 84,351,025.06/12,735.51
  6. Step 6: Final answer
    x = 6,623.29

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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.