Home / 13,164.15-18,166.53-7,195.85

Finding the Fourth Proportional to 13,164.15, 18,166.53 and 7,195.85

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Solution

The fourth proportional to 13,164.15, 18,166.53 and 7,195.85 is: 9,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.15 : 18,166.53 = 7,195.85 : x
  2. Step 2: Convert to fraction form
    13,164.15/18,166.53 = 7,195.85/x
  3. Step 3: Cross multiply
    13,164.15x = 18,166.53 × 7,195.85
  4. Step 4: Simplify right side
    13,164.15x = 130,723,534.07
  5. Step 5: Solve for x
    x = 130,723,534.07/13,164.15
  6. Step 6: Final answer
    x = 9,930.26

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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.