Home / 18,243.56-27,376.28-6,557.70

Finding the Fourth Proportional to 18,243.56, 27,376.28 and 6,557.70

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Solution

The fourth proportional to 18,243.56, 27,376.28 and 6,557.70 is: 9,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.56 : 27,376.28 = 6,557.70 : x
  2. Step 2: Convert to fraction form
    18,243.56/27,376.28 = 6,557.70/x
  3. Step 3: Cross multiply
    18,243.56x = 27,376.28 × 6,557.70
  4. Step 4: Simplify right side
    18,243.56x = 179,525,431.36
  5. Step 5: Solve for x
    x = 179,525,431.36/18,243.56
  6. Step 6: Final answer
    x = 9,840.48

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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.