Home / 17,748.60-26,622.90-8,385.54

Finding the Fourth Proportional to 17,748.60, 26,622.90 and 8,385.54

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Solution

The fourth proportional to 17,748.60, 26,622.90 and 8,385.54 is: 12,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.60 : 26,622.90 = 8,385.54 : x
  2. Step 2: Convert to fraction form
    17,748.60/26,622.90 = 8,385.54/x
  3. Step 3: Cross multiply
    17,748.60x = 26,622.90 × 8,385.54
  4. Step 4: Simplify right side
    17,748.60x = 223,247,392.87
  5. Step 5: Solve for x
    x = 223,247,392.87/17,748.60
  6. Step 6: Final answer
    x = 12,578.31

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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.