Home / 13,074.37-18,042.97-7,697.08

Finding the Fourth Proportional to 13,074.37, 18,042.97 and 7,697.08

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Solution

The fourth proportional to 13,074.37, 18,042.97 and 7,697.08 is: 10,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.37 : 18,042.97 = 7,697.08 : x
  2. Step 2: Convert to fraction form
    13,074.37/18,042.97 = 7,697.08/x
  3. Step 3: Cross multiply
    13,074.37x = 18,042.97 × 7,697.08
  4. Step 4: Simplify right side
    13,074.37x = 138,878,183.53
  5. Step 5: Solve for x
    x = 138,878,183.53/13,074.37
  6. Step 6: Final answer
    x = 10,622.17

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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.