Home / 13,308.06-18,372.63-8,837.94

Finding the Fourth Proportional to 13,308.06, 18,372.63 and 8,837.94

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Solution

The fourth proportional to 13,308.06, 18,372.63 and 8,837.94 is: 12,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.06 : 18,372.63 = 8,837.94 : x
  2. Step 2: Convert to fraction form
    13,308.06/18,372.63 = 8,837.94/x
  3. Step 3: Cross multiply
    13,308.06x = 18,372.63 × 8,837.94
  4. Step 4: Simplify right side
    13,308.06x = 162,376,201.58
  5. Step 5: Solve for x
    x = 162,376,201.58/13,308.06
  6. Step 6: Final answer
    x = 12,201.34

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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.