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Finding the Fourth Proportional to 9,385.96, 14,093.52 and 8,970.44

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Solution

The fourth proportional to 9,385.96, 14,093.52 and 8,970.44 is: 13,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.96 : 14,093.52 = 8,970.44 : x
  2. Step 2: Convert to fraction form
    9,385.96/14,093.52 = 8,970.44/x
  3. Step 3: Cross multiply
    9,385.96x = 14,093.52 × 8,970.44
  4. Step 4: Simplify right side
    9,385.96x = 126,425,075.55
  5. Step 5: Solve for x
    x = 126,425,075.55/9,385.96
  6. Step 6: Final answer
    x = 13,469.59

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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.