Home / 18,185.95-27,278.96-5,706.30

Finding the Fourth Proportional to 18,185.95, 27,278.96 and 5,706.30

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Solution

The fourth proportional to 18,185.95, 27,278.96 and 5,706.30 is: 8,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.95 : 27,278.96 = 5,706.30 : x
  2. Step 2: Convert to fraction form
    18,185.95/27,278.96 = 5,706.30/x
  3. Step 3: Cross multiply
    18,185.95x = 27,278.96 × 5,706.30
  4. Step 4: Simplify right side
    18,185.95x = 155,661,929.45
  5. Step 5: Solve for x
    x = 155,661,929.45/18,185.95
  6. Step 6: Final answer
    x = 8,559.46

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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.