Home / 12,254.48-16,905.16-8,003.60

Finding the Fourth Proportional to 12,254.48, 16,905.16 and 8,003.60

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Solution

The fourth proportional to 12,254.48, 16,905.16 and 8,003.60 is: 11,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.48 : 16,905.16 = 8,003.60 : x
  2. Step 2: Convert to fraction form
    12,254.48/16,905.16 = 8,003.60/x
  3. Step 3: Cross multiply
    12,254.48x = 16,905.16 × 8,003.60
  4. Step 4: Simplify right side
    12,254.48x = 135,302,138.58
  5. Step 5: Solve for x
    x = 135,302,138.58/12,254.48
  6. Step 6: Final answer
    x = 11,041.03

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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.