Home / 12,056.40-16,626.73-8,272.89

Finding the Fourth Proportional to 12,056.40, 16,626.73 and 8,272.89

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Solution

The fourth proportional to 12,056.40, 16,626.73 and 8,272.89 is: 11,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.40 : 16,626.73 = 8,272.89 : x
  2. Step 2: Convert to fraction form
    12,056.40/16,626.73 = 8,272.89/x
  3. Step 3: Cross multiply
    12,056.40x = 16,626.73 × 8,272.89
  4. Step 4: Simplify right side
    12,056.40x = 137,551,108.35
  5. Step 5: Solve for x
    x = 137,551,108.35/12,056.40
  6. Step 6: Final answer
    x = 11,408.97

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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.