Home / 15,748.97-21,727.34-10,967.64

Finding the Fourth Proportional to 15,748.97, 21,727.34 and 10,967.64

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Solution

The fourth proportional to 15,748.97, 21,727.34 and 10,967.64 is: 15,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.97 : 21,727.34 = 10,967.64 : x
  2. Step 2: Convert to fraction form
    15,748.97/21,727.34 = 10,967.64/x
  3. Step 3: Cross multiply
    15,748.97x = 21,727.34 × 10,967.64
  4. Step 4: Simplify right side
    15,748.97x = 238,297,548.09
  5. Step 5: Solve for x
    x = 238,297,548.09/15,748.97
  6. Step 6: Final answer
    x = 15,131.00

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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.