Home / 11,825.58-17,728.75-4,425.89

Finding the Fourth Proportional to 11,825.58, 17,728.75 and 4,425.89

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Solution

The fourth proportional to 11,825.58, 17,728.75 and 4,425.89 is: 6,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.58 : 17,728.75 = 4,425.89 : x
  2. Step 2: Convert to fraction form
    11,825.58/17,728.75 = 4,425.89/x
  3. Step 3: Cross multiply
    11,825.58x = 17,728.75 × 4,425.89
  4. Step 4: Simplify right side
    11,825.58x = 78,465,547.19
  5. Step 5: Solve for x
    x = 78,465,547.19/11,825.58
  6. Step 6: Final answer
    x = 6,635.24

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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.