Home / 13,164.24-18,166.60-7,195.90

Finding the Fourth Proportional to 13,164.24, 18,166.60 and 7,195.90

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Solution

The fourth proportional to 13,164.24, 18,166.60 and 7,195.90 is: 9,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.24 : 18,166.60 = 7,195.90 : x
  2. Step 2: Convert to fraction form
    13,164.24/18,166.60 = 7,195.90/x
  3. Step 3: Cross multiply
    13,164.24x = 18,166.60 × 7,195.90
  4. Step 4: Simplify right side
    13,164.24x = 130,725,036.94
  5. Step 5: Solve for x
    x = 130,725,036.94/13,164.24
  6. Step 6: Final answer
    x = 9,930.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.