Home / 12,555.26-17,324.44-8,085.07

Finding the Fourth Proportional to 12,555.26, 17,324.44 and 8,085.07

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Solution

The fourth proportional to 12,555.26, 17,324.44 and 8,085.07 is: 11,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.26 : 17,324.44 = 8,085.07 : x
  2. Step 2: Convert to fraction form
    12,555.26/17,324.44 = 8,085.07/x
  3. Step 3: Cross multiply
    12,555.26x = 17,324.44 × 8,085.07
  4. Step 4: Simplify right side
    12,555.26x = 140,069,310.11
  5. Step 5: Solve for x
    x = 140,069,310.11/12,555.26
  6. Step 6: Final answer
    x = 11,156.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.