Home / 10,727.40-16,078.62-6,348.54

Finding the Fourth Proportional to 10,727.40, 16,078.62 and 6,348.54

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Solution

The fourth proportional to 10,727.40, 16,078.62 and 6,348.54 is: 9,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.40 : 16,078.62 = 6,348.54 : x
  2. Step 2: Convert to fraction form
    10,727.40/16,078.62 = 6,348.54/x
  3. Step 3: Cross multiply
    10,727.40x = 16,078.62 × 6,348.54
  4. Step 4: Simplify right side
    10,727.40x = 102,075,762.21
  5. Step 5: Solve for x
    x = 102,075,762.21/10,727.40
  6. Step 6: Final answer
    x = 9,515.42

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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.