Home / 18,316.84-27,453.31-9,436.40

Finding the Fourth Proportional to 18,316.84, 27,453.31 and 9,436.40

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Solution

The fourth proportional to 18,316.84, 27,453.31 and 9,436.40 is: 14,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.84 : 27,453.31 = 9,436.40 : x
  2. Step 2: Convert to fraction form
    18,316.84/27,453.31 = 9,436.40/x
  3. Step 3: Cross multiply
    18,316.84x = 27,453.31 × 9,436.40
  4. Step 4: Simplify right side
    18,316.84x = 259,060,414.48
  5. Step 5: Solve for x
    x = 259,060,414.48/18,316.84
  6. Step 6: Final answer
    x = 14,143.29

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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.