Home / 14,083.06-21,103.62-12,838.32

Finding the Fourth Proportional to 14,083.06, 21,103.62 and 12,838.32

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Solution

The fourth proportional to 14,083.06, 21,103.62 and 12,838.32 is: 19,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.06 : 21,103.62 = 12,838.32 : x
  2. Step 2: Convert to fraction form
    14,083.06/21,103.62 = 12,838.32/x
  3. Step 3: Cross multiply
    14,083.06x = 21,103.62 × 12,838.32
  4. Step 4: Simplify right side
    14,083.06x = 270,935,026.72
  5. Step 5: Solve for x
    x = 270,935,026.72/14,083.06
  6. Step 6: Final answer
    x = 19,238.36

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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.