Home / 18,264.79-27,376.44-7,728.23

Finding the Fourth Proportional to 18,264.79, 27,376.44 and 7,728.23

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Solution

The fourth proportional to 18,264.79, 27,376.44 and 7,728.23 is: 11,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.79 : 27,376.44 = 7,728.23 : x
  2. Step 2: Convert to fraction form
    18,264.79/27,376.44 = 7,728.23/x
  3. Step 3: Cross multiply
    18,264.79x = 27,376.44 × 7,728.23
  4. Step 4: Simplify right side
    18,264.79x = 211,571,493.34
  5. Step 5: Solve for x
    x = 211,571,493.34/18,264.79
  6. Step 6: Final answer
    x = 11,583.57

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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.