Home / 18,336.18-27,506.59-5,188.56

Finding the Fourth Proportional to 18,336.18, 27,506.59 and 5,188.56

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Solution

The fourth proportional to 18,336.18, 27,506.59 and 5,188.56 is: 7,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.18 : 27,506.59 = 5,188.56 : x
  2. Step 2: Convert to fraction form
    18,336.18/27,506.59 = 5,188.56/x
  3. Step 3: Cross multiply
    18,336.18x = 27,506.59 × 5,188.56
  4. Step 4: Simplify right side
    18,336.18x = 142,719,476.49
  5. Step 5: Solve for x
    x = 142,719,476.49/18,336.18
  6. Step 6: Final answer
    x = 7,783.49

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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.