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Finding the Fourth Proportional to 17,806.93, 26,712.20 and 6,722.93

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Solution

The fourth proportional to 17,806.93, 26,712.20 and 6,722.93 is: 10,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.93 : 26,712.20 = 6,722.93 : x
  2. Step 2: Convert to fraction form
    17,806.93/26,712.20 = 6,722.93/x
  3. Step 3: Cross multiply
    17,806.93x = 26,712.20 × 6,722.93
  4. Step 4: Simplify right side
    17,806.93x = 179,584,334.33
  5. Step 5: Solve for x
    x = 179,584,334.33/17,806.93
  6. Step 6: Final answer
    x = 10,085.08

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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.