Home / 17,518.40-26,293.80-8,759.60

Finding the Fourth Proportional to 17,518.40, 26,293.80 and 8,759.60

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Solution

The fourth proportional to 17,518.40, 26,293.80 and 8,759.60 is: 13,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.40 : 26,293.80 = 8,759.60 : x
  2. Step 2: Convert to fraction form
    17,518.40/26,293.80 = 8,759.60/x
  3. Step 3: Cross multiply
    17,518.40x = 26,293.80 × 8,759.60
  4. Step 4: Simplify right side
    17,518.40x = 230,323,170.48
  5. Step 5: Solve for x
    x = 230,323,170.48/17,518.40
  6. Step 6: Final answer
    x = 13,147.50

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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.