Home / 17,495.80-26,247.48-8,128.96

Finding the Fourth Proportional to 17,495.80, 26,247.48 and 8,128.96

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Solution

The fourth proportional to 17,495.80, 26,247.48 and 8,128.96 is: 12,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,495.80 : 26,247.48 = 8,128.96 : x
  2. Step 2: Convert to fraction form
    17,495.80/26,247.48 = 8,128.96/x
  3. Step 3: Cross multiply
    17,495.80x = 26,247.48 × 8,128.96
  4. Step 4: Simplify right side
    17,495.80x = 213,364,715.02
  5. Step 5: Solve for x
    x = 213,364,715.02/17,495.80
  6. Step 6: Final answer
    x = 12,195.20

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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.