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Finding the Fourth Proportional to 12,152.63, 16,770.63 and 6,563.63

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Solution

The fourth proportional to 12,152.63, 16,770.63 and 6,563.63 is: 9,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.63 : 16,770.63 = 6,563.63 : x
  2. Step 2: Convert to fraction form
    12,152.63/16,770.63 = 6,563.63/x
  3. Step 3: Cross multiply
    12,152.63x = 16,770.63 × 6,563.63
  4. Step 4: Simplify right side
    12,152.63x = 110,076,126.33
  5. Step 5: Solve for x
    x = 110,076,126.33/12,152.63
  6. Step 6: Final answer
    x = 9,057.81

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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.