Home / 13,035.13-18,003.32-8,836.09

Finding the Fourth Proportional to 13,035.13, 18,003.32 and 8,836.09

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Solution

The fourth proportional to 13,035.13, 18,003.32 and 8,836.09 is: 12,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.13 : 18,003.32 = 8,836.09 : x
  2. Step 2: Convert to fraction form
    13,035.13/18,003.32 = 8,836.09/x
  3. Step 3: Cross multiply
    13,035.13x = 18,003.32 × 8,836.09
  4. Step 4: Simplify right side
    13,035.13x = 159,078,955.82
  5. Step 5: Solve for x
    x = 159,078,955.82/13,035.13
  6. Step 6: Final answer
    x = 12,203.86

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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.