Home / 12,252.44-16,898.50-8,003.20

Finding the Fourth Proportional to 12,252.44, 16,898.50 and 8,003.20

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Solution

The fourth proportional to 12,252.44, 16,898.50 and 8,003.20 is: 11,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.44 : 16,898.50 = 8,003.20 : x
  2. Step 2: Convert to fraction form
    12,252.44/16,898.50 = 8,003.20/x
  3. Step 3: Cross multiply
    12,252.44x = 16,898.50 × 8,003.20
  4. Step 4: Simplify right side
    12,252.44x = 135,242,075.20
  5. Step 5: Solve for x
    x = 135,242,075.20/12,252.44
  6. Step 6: Final answer
    x = 11,037.97

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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.