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Finding the Fourth Proportional to 8,045.94, 12,071.34 and 6,652.98

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Solution

The fourth proportional to 8,045.94, 12,071.34 and 6,652.98 is: 9,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.94 : 12,071.34 = 6,652.98 : x
  2. Step 2: Convert to fraction form
    8,045.94/12,071.34 = 6,652.98/x
  3. Step 3: Cross multiply
    8,045.94x = 12,071.34 × 6,652.98
  4. Step 4: Simplify right side
    8,045.94x = 80,310,383.59
  5. Step 5: Solve for x
    x = 80,310,383.59/8,045.94
  6. Step 6: Final answer
    x = 9,981.48

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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.