Home / 18,188.81-27,283.55-5,708.55

Finding the Fourth Proportional to 18,188.81, 27,283.55 and 5,708.55

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Solution

The fourth proportional to 18,188.81, 27,283.55 and 5,708.55 is: 8,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.81 : 27,283.55 = 5,708.55 : x
  2. Step 2: Convert to fraction form
    18,188.81/27,283.55 = 5,708.55/x
  3. Step 3: Cross multiply
    18,188.81x = 27,283.55 × 5,708.55
  4. Step 4: Simplify right side
    18,188.81x = 155,749,480.81
  5. Step 5: Solve for x
    x = 155,749,480.81/18,188.81
  6. Step 6: Final answer
    x = 8,562.93

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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.