Home / 12,253.65-16,905.14-8,003.26

Finding the Fourth Proportional to 12,253.65, 16,905.14 and 8,003.26

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Solution

The fourth proportional to 12,253.65, 16,905.14 and 8,003.26 is: 11,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.65 : 16,905.14 = 8,003.26 : x
  2. Step 2: Convert to fraction form
    12,253.65/16,905.14 = 8,003.26/x
  3. Step 3: Cross multiply
    12,253.65x = 16,905.14 × 8,003.26
  4. Step 4: Simplify right side
    12,253.65x = 135,296,190.74
  5. Step 5: Solve for x
    x = 135,296,190.74/12,253.65
  6. Step 6: Final answer
    x = 11,041.30

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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.