Home / 9,213.09-13,792.10-5,643.97

Finding the Fourth Proportional to 9,213.09, 13,792.10 and 5,643.97

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Solution

The fourth proportional to 9,213.09, 13,792.10 and 5,643.97 is: 8,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.09 : 13,792.10 = 5,643.97 : x
  2. Step 2: Convert to fraction form
    9,213.09/13,792.10 = 5,643.97/x
  3. Step 3: Cross multiply
    9,213.09x = 13,792.10 × 5,643.97
  4. Step 4: Simplify right side
    9,213.09x = 77,842,135.94
  5. Step 5: Solve for x
    x = 77,842,135.94/9,213.09
  6. Step 6: Final answer
    x = 8,449.08

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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.