Home / 11,126.90-16,685.47-3,333.89

Finding the Fourth Proportional to 11,126.90, 16,685.47 and 3,333.89

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Solution

The fourth proportional to 11,126.90, 16,685.47 and 3,333.89 is: 4,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.90 : 16,685.47 = 3,333.89 : x
  2. Step 2: Convert to fraction form
    11,126.90/16,685.47 = 3,333.89/x
  3. Step 3: Cross multiply
    11,126.90x = 16,685.47 × 3,333.89
  4. Step 4: Simplify right side
    11,126.90x = 55,627,567.46
  5. Step 5: Solve for x
    x = 55,627,567.46/11,126.90
  6. Step 6: Final answer
    x = 4,999.38

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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.