Home / 11,283.35-16,920.34-4,262.16

Finding the Fourth Proportional to 11,283.35, 16,920.34 and 4,262.16

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Solution

The fourth proportional to 11,283.35, 16,920.34 and 4,262.16 is: 6,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.35 : 16,920.34 = 4,262.16 : x
  2. Step 2: Convert to fraction form
    11,283.35/16,920.34 = 4,262.16/x
  3. Step 3: Cross multiply
    11,283.35x = 16,920.34 × 4,262.16
  4. Step 4: Simplify right side
    11,283.35x = 72,117,196.33
  5. Step 5: Solve for x
    x = 72,117,196.33/11,283.35
  6. Step 6: Final answer
    x = 6,391.47

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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.