Home / 18,186.94-27,281.56-5,707.45

Finding the Fourth Proportional to 18,186.94, 27,281.56 and 5,707.45

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Solution

The fourth proportional to 18,186.94, 27,281.56 and 5,707.45 is: 8,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.94 : 27,281.56 = 5,707.45 : x
  2. Step 2: Convert to fraction form
    18,186.94/27,281.56 = 5,707.45/x
  3. Step 3: Cross multiply
    18,186.94x = 27,281.56 × 5,707.45
  4. Step 4: Simplify right side
    18,186.94x = 155,708,193.56
  5. Step 5: Solve for x
    x = 155,708,193.56/18,186.94
  6. Step 6: Final answer
    x = 8,561.54

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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.