Home / 11,730.78-17,554.14-10,948.68

Finding the Fourth Proportional to 11,730.78, 17,554.14 and 10,948.68

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Solution

The fourth proportional to 11,730.78, 17,554.14 and 10,948.68 is: 16,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.78 : 17,554.14 = 10,948.68 : x
  2. Step 2: Convert to fraction form
    11,730.78/17,554.14 = 10,948.68/x
  3. Step 3: Cross multiply
    11,730.78x = 17,554.14 × 10,948.68
  4. Step 4: Simplify right side
    11,730.78x = 192,194,661.54
  5. Step 5: Solve for x
    x = 192,194,661.54/11,730.78
  6. Step 6: Final answer
    x = 16,383.79

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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.