Home / 12,838.06-19,259.88-4,073.68

Finding the Fourth Proportional to 12,838.06, 19,259.88 and 4,073.68

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Solution

The fourth proportional to 12,838.06, 19,259.88 and 4,073.68 is: 6,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838.06 : 19,259.88 = 4,073.68 : x
  2. Step 2: Convert to fraction form
    12,838.06/19,259.88 = 4,073.68/x
  3. Step 3: Cross multiply
    12,838.06x = 19,259.88 × 4,073.68
  4. Step 4: Simplify right side
    12,838.06x = 78,458,587.96
  5. Step 5: Solve for x
    x = 78,458,587.96/12,838.06
  6. Step 6: Final answer
    x = 6,111.41

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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.