Home / 11,825.93-17,742.98-5,256.71

Finding the Fourth Proportional to 11,825.93, 17,742.98 and 5,256.71

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Solution

The fourth proportional to 11,825.93, 17,742.98 and 5,256.71 is: 7,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.93 : 17,742.98 = 5,256.71 : x
  2. Step 2: Convert to fraction form
    11,825.93/17,742.98 = 5,256.71/x
  3. Step 3: Cross multiply
    11,825.93x = 17,742.98 × 5,256.71
  4. Step 4: Simplify right side
    11,825.93x = 93,269,674.11
  5. Step 5: Solve for x
    x = 93,269,674.11/11,825.93
  6. Step 6: Final answer
    x = 7,886.88

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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.