Home / 17,543.81-26,319.82-11,999.77

Finding the Fourth Proportional to 17,543.81, 26,319.82 and 11,999.77

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Solution

The fourth proportional to 17,543.81, 26,319.82 and 11,999.77 is: 18,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.81 : 26,319.82 = 11,999.77 : x
  2. Step 2: Convert to fraction form
    17,543.81/26,319.82 = 11,999.77/x
  3. Step 3: Cross multiply
    17,543.81x = 26,319.82 × 11,999.77
  4. Step 4: Simplify right side
    17,543.81x = 315,831,786.44
  5. Step 5: Solve for x
    x = 315,831,786.44/17,543.81
  6. Step 6: Final answer
    x = 18,002.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.