Home / 11,335.49-16,975.37-7,815.64

Finding the Fourth Proportional to 11,335.49, 16,975.37 and 7,815.64

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Solution

The fourth proportional to 11,335.49, 16,975.37 and 7,815.64 is: 11,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.49 : 16,975.37 = 7,815.64 : x
  2. Step 2: Convert to fraction form
    11,335.49/16,975.37 = 7,815.64/x
  3. Step 3: Cross multiply
    11,335.49x = 16,975.37 × 7,815.64
  4. Step 4: Simplify right side
    11,335.49x = 132,673,389.72
  5. Step 5: Solve for x
    x = 132,673,389.72/11,335.49
  6. Step 6: Final answer
    x = 11,704.24

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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.