Home / 13,279-19,922.01-6,617.46

Finding the Fourth Proportional to 13,279, 19,922.01 and 6,617.46

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Solution

The fourth proportional to 13,279, 19,922.01 and 6,617.46 is: 9,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279 : 19,922.01 = 6,617.46 : x
  2. Step 2: Convert to fraction form
    13,279/19,922.01 = 6,617.46/x
  3. Step 3: Cross multiply
    13,279x = 19,922.01 × 6,617.46
  4. Step 4: Simplify right side
    13,279x = 131,833,104.29
  5. Step 5: Solve for x
    x = 131,833,104.29/13,279
  6. Step 6: Final answer
    x = 9,927.94

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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.