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Finding the Fourth Proportional to 9,265.63, 13,903.98 and 8,511.90

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Solution

The fourth proportional to 9,265.63, 13,903.98 and 8,511.90 is: 12,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.63 : 13,903.98 = 8,511.90 : x
  2. Step 2: Convert to fraction form
    9,265.63/13,903.98 = 8,511.90/x
  3. Step 3: Cross multiply
    9,265.63x = 13,903.98 × 8,511.90
  4. Step 4: Simplify right side
    9,265.63x = 118,349,255.44
  5. Step 5: Solve for x
    x = 118,349,255.44/9,265.63
  6. Step 6: Final answer
    x = 12,772.93

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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.