Home / 15,418.84-23,131.16-6,185.56

Finding the Fourth Proportional to 15,418.84, 23,131.16 and 6,185.56

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Solution

The fourth proportional to 15,418.84, 23,131.16 and 6,185.56 is: 9,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.84 : 23,131.16 = 6,185.56 : x
  2. Step 2: Convert to fraction form
    15,418.84/23,131.16 = 6,185.56/x
  3. Step 3: Cross multiply
    15,418.84x = 23,131.16 × 6,185.56
  4. Step 4: Simplify right side
    15,418.84x = 143,079,178.05
  5. Step 5: Solve for x
    x = 143,079,178.05/15,418.84
  6. Step 6: Final answer
    x = 9,279.50

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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.