Home / 18,455.19-27,683.40-5,975.31

Finding the Fourth Proportional to 18,455.19, 27,683.40 and 5,975.31

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Solution

The fourth proportional to 18,455.19, 27,683.40 and 5,975.31 is: 8,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.19 : 27,683.40 = 5,975.31 : x
  2. Step 2: Convert to fraction form
    18,455.19/27,683.40 = 5,975.31/x
  3. Step 3: Cross multiply
    18,455.19x = 27,683.40 × 5,975.31
  4. Step 4: Simplify right side
    18,455.19x = 165,416,896.85
  5. Step 5: Solve for x
    x = 165,416,896.85/18,455.19
  6. Step 6: Final answer
    x = 8,963.16

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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.