Home / 14,071.35-19,418.36-8,408.55

Finding the Fourth Proportional to 14,071.35, 19,418.36 and 8,408.55

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Solution

The fourth proportional to 14,071.35, 19,418.36 and 8,408.55 is: 11,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.35 : 19,418.36 = 8,408.55 : x
  2. Step 2: Convert to fraction form
    14,071.35/19,418.36 = 8,408.55/x
  3. Step 3: Cross multiply
    14,071.35x = 19,418.36 × 8,408.55
  4. Step 4: Simplify right side
    14,071.35x = 163,280,208.94
  5. Step 5: Solve for x
    x = 163,280,208.94/14,071.35
  6. Step 6: Final answer
    x = 11,603.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.