Home / 13,116.06-17,998.34-11,928.06

Finding the Fourth Proportional to 13,116.06, 17,998.34 and 11,928.06

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Solution

The fourth proportional to 13,116.06, 17,998.34 and 11,928.06 is: 16,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.06 : 17,998.34 = 11,928.06 : x
  2. Step 2: Convert to fraction form
    13,116.06/17,998.34 = 11,928.06/x
  3. Step 3: Cross multiply
    13,116.06x = 17,998.34 × 11,928.06
  4. Step 4: Simplify right side
    13,116.06x = 214,685,219.78
  5. Step 5: Solve for x
    x = 214,685,219.78/13,116.06
  6. Step 6: Final answer
    x = 16,368.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.