Home / 11,208.35-16,813.56-2,888.40

Finding the Fourth Proportional to 11,208.35, 16,813.56 and 2,888.40

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Solution

The fourth proportional to 11,208.35, 16,813.56 and 2,888.40 is: 4,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.35 : 16,813.56 = 2,888.40 : x
  2. Step 2: Convert to fraction form
    11,208.35/16,813.56 = 2,888.40/x
  3. Step 3: Cross multiply
    11,208.35x = 16,813.56 × 2,888.40
  4. Step 4: Simplify right side
    11,208.35x = 48,564,286.70
  5. Step 5: Solve for x
    x = 48,564,286.70/11,208.35
  6. Step 6: Final answer
    x = 4,332.87

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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.