Home / 11,636.19-17,454.81-3,316.78

Finding the Fourth Proportional to 11,636.19, 17,454.81 and 3,316.78

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Solution

The fourth proportional to 11,636.19, 17,454.81 and 3,316.78 is: 4,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.19 : 17,454.81 = 3,316.78 : x
  2. Step 2: Convert to fraction form
    11,636.19/17,454.81 = 3,316.78/x
  3. Step 3: Cross multiply
    11,636.19x = 17,454.81 × 3,316.78
  4. Step 4: Simplify right side
    11,636.19x = 57,893,780.31
  5. Step 5: Solve for x
    x = 57,893,780.31/11,636.19
  6. Step 6: Final answer
    x = 4,975.32

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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.