Home / 10,665.54-16,001.39-3,271.09

Finding the Fourth Proportional to 10,665.54, 16,001.39 and 3,271.09

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Solution

The fourth proportional to 10,665.54, 16,001.39 and 3,271.09 is: 4,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.54 : 16,001.39 = 3,271.09 : x
  2. Step 2: Convert to fraction form
    10,665.54/16,001.39 = 3,271.09/x
  3. Step 3: Cross multiply
    10,665.54x = 16,001.39 × 3,271.09
  4. Step 4: Simplify right side
    10,665.54x = 52,341,930.46
  5. Step 5: Solve for x
    x = 52,341,930.46/10,665.54
  6. Step 6: Final answer
    x = 4,907.57

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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.