Home / 11,283.28-16,920.25-4,262.10

Finding the Fourth Proportional to 11,283.28, 16,920.25 and 4,262.10

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Solution

The fourth proportional to 11,283.28, 16,920.25 and 4,262.10 is: 6,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.28 : 16,920.25 = 4,262.10 : x
  2. Step 2: Convert to fraction form
    11,283.28/16,920.25 = 4,262.10/x
  3. Step 3: Cross multiply
    11,283.28x = 16,920.25 × 4,262.10
  4. Step 4: Simplify right side
    11,283.28x = 72,115,797.53
  5. Step 5: Solve for x
    x = 72,115,797.53/11,283.28
  6. Step 6: Final answer
    x = 6,391.39

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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.