Home / 9,018.06-13,515.54-3,816.78

Finding the Fourth Proportional to 9,018.06, 13,515.54 and 3,816.78

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Solution

The fourth proportional to 9,018.06, 13,515.54 and 3,816.78 is: 5,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.06 : 13,515.54 = 3,816.78 : x
  2. Step 2: Convert to fraction form
    9,018.06/13,515.54 = 3,816.78/x
  3. Step 3: Cross multiply
    9,018.06x = 13,515.54 × 3,816.78
  4. Step 4: Simplify right side
    9,018.06x = 51,585,842.76
  5. Step 5: Solve for x
    x = 51,585,842.76/9,018.06
  6. Step 6: Final answer
    x = 5,720.28

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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.