Home / 17,418.20-26,131.80-7,555.19

Finding the Fourth Proportional to 17,418.20, 26,131.80 and 7,555.19

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Solution

The fourth proportional to 17,418.20, 26,131.80 and 7,555.19 is: 11,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.20 : 26,131.80 = 7,555.19 : x
  2. Step 2: Convert to fraction form
    17,418.20/26,131.80 = 7,555.19/x
  3. Step 3: Cross multiply
    17,418.20x = 26,131.80 × 7,555.19
  4. Step 4: Simplify right side
    17,418.20x = 197,430,714.04
  5. Step 5: Solve for x
    x = 197,430,714.04/17,418.20
  6. Step 6: Final answer
    x = 11,334.74

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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.