Home / 10,408.48-14,364.66-6,216.64

Finding the Fourth Proportional to 10,408.48, 14,364.66 and 6,216.64

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Solution

The fourth proportional to 10,408.48, 14,364.66 and 6,216.64 is: 8,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.48 : 14,364.66 = 6,216.64 : x
  2. Step 2: Convert to fraction form
    10,408.48/14,364.66 = 6,216.64/x
  3. Step 3: Cross multiply
    10,408.48x = 14,364.66 × 6,216.64
  4. Step 4: Simplify right side
    10,408.48x = 89,299,919.94
  5. Step 5: Solve for x
    x = 89,299,919.94/10,408.48
  6. Step 6: Final answer
    x = 8,579.54

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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.