Home / 17,440.06-26,151.51-8,679.88

Finding the Fourth Proportional to 17,440.06, 26,151.51 and 8,679.88

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Solution

The fourth proportional to 17,440.06, 26,151.51 and 8,679.88 is: 13,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,440.06 : 26,151.51 = 8,679.88 : x
  2. Step 2: Convert to fraction form
    17,440.06/26,151.51 = 8,679.88/x
  3. Step 3: Cross multiply
    17,440.06x = 26,151.51 × 8,679.88
  4. Step 4: Simplify right side
    17,440.06x = 226,991,968.62
  5. Step 5: Solve for x
    x = 226,991,968.62/17,440.06
  6. Step 6: Final answer
    x = 13,015.55

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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.