Home / 11,302.88-16,954.79-4,282.20

Finding the Fourth Proportional to 11,302.88, 16,954.79 and 4,282.20

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Solution

The fourth proportional to 11,302.88, 16,954.79 and 4,282.20 is: 6,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.88 : 16,954.79 = 4,282.20 : x
  2. Step 2: Convert to fraction form
    11,302.88/16,954.79 = 4,282.20/x
  3. Step 3: Cross multiply
    11,302.88x = 16,954.79 × 4,282.20
  4. Step 4: Simplify right side
    11,302.88x = 72,603,780.33
  5. Step 5: Solve for x
    x = 72,603,780.33/11,302.88
  6. Step 6: Final answer
    x = 6,423.48

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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.