Home / 11,286.96-16,925.07-3,386.40

Finding the Fourth Proportional to 11,286.96, 16,925.07 and 3,386.40

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Solution

The fourth proportional to 11,286.96, 16,925.07 and 3,386.40 is: 5,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.96 : 16,925.07 = 3,386.40 : x
  2. Step 2: Convert to fraction form
    11,286.96/16,925.07 = 3,386.40/x
  3. Step 3: Cross multiply
    11,286.96x = 16,925.07 × 3,386.40
  4. Step 4: Simplify right side
    11,286.96x = 57,315,057.05
  5. Step 5: Solve for x
    x = 57,315,057.05/11,286.96
  6. Step 6: Final answer
    x = 5,077.99

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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.