Home / 10,685.67-16,028.73-3,290.19

Finding the Fourth Proportional to 10,685.67, 16,028.73 and 3,290.19

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Solution

The fourth proportional to 10,685.67, 16,028.73 and 3,290.19 is: 4,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.67 : 16,028.73 = 3,290.19 : x
  2. Step 2: Convert to fraction form
    10,685.67/16,028.73 = 3,290.19/x
  3. Step 3: Cross multiply
    10,685.67x = 16,028.73 × 3,290.19
  4. Step 4: Simplify right side
    10,685.67x = 52,737,567.16
  5. Step 5: Solve for x
    x = 52,737,567.16/10,685.67
  6. Step 6: Final answer
    x = 4,935.35

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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.