Home / 19,245.28-26,552.46-11,287.84

Finding the Fourth Proportional to 19,245.28, 26,552.46 and 11,287.84

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Solution

The fourth proportional to 19,245.28, 26,552.46 and 11,287.84 is: 15,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.28 : 26,552.46 = 11,287.84 : x
  2. Step 2: Convert to fraction form
    19,245.28/26,552.46 = 11,287.84/x
  3. Step 3: Cross multiply
    19,245.28x = 26,552.46 × 11,287.84
  4. Step 4: Simplify right side
    19,245.28x = 299,719,920.09
  5. Step 5: Solve for x
    x = 299,719,920.09/19,245.28
  6. Step 6: Final answer
    x = 15,573.68

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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.