Home / 18,270.76-27,369.02-14,579.24

Finding the Fourth Proportional to 18,270.76, 27,369.02 and 14,579.24

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Solution

The fourth proportional to 18,270.76, 27,369.02 and 14,579.24 is: 21,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.76 : 27,369.02 = 14,579.24 : x
  2. Step 2: Convert to fraction form
    18,270.76/27,369.02 = 14,579.24/x
  3. Step 3: Cross multiply
    18,270.76x = 27,369.02 × 14,579.24
  4. Step 4: Simplify right side
    18,270.76x = 399,019,511.14
  5. Step 5: Solve for x
    x = 399,019,511.14/18,270.76
  6. Step 6: Final answer
    x = 21,839.24

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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.