Home / 17,748.60-26,609.40-8,989.80

Finding the Fourth Proportional to 17,748.60, 26,609.40 and 8,989.80

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Solution

The fourth proportional to 17,748.60, 26,609.40 and 8,989.80 is: 13,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.60 : 26,609.40 = 8,989.80 : x
  2. Step 2: Convert to fraction form
    17,748.60/26,609.40 = 8,989.80/x
  3. Step 3: Cross multiply
    17,748.60x = 26,609.40 × 8,989.80
  4. Step 4: Simplify right side
    17,748.60x = 239,213,184.12
  5. Step 5: Solve for x
    x = 239,213,184.12/17,748.60
  6. Step 6: Final answer
    x = 13,477.86

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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.