Home / 17,918.40-26,845.20-14,613.60

Finding the Fourth Proportional to 17,918.40, 26,845.20 and 14,613.60

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Solution

The fourth proportional to 17,918.40, 26,845.20 and 14,613.60 is: 21,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.40 : 26,845.20 = 14,613.60 : x
  2. Step 2: Convert to fraction form
    17,918.40/26,845.20 = 14,613.60/x
  3. Step 3: Cross multiply
    17,918.40x = 26,845.20 × 14,613.60
  4. Step 4: Simplify right side
    17,918.40x = 392,305,014.72
  5. Step 5: Solve for x
    x = 392,305,014.72/17,918.40
  6. Step 6: Final answer
    x = 21,893.98

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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.