Home / 11,333.20-16,999.80-11,256.40

Finding the Fourth Proportional to 11,333.20, 16,999.80 and 11,256.40

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Solution

The fourth proportional to 11,333.20, 16,999.80 and 11,256.40 is: 16,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.20 : 16,999.80 = 11,256.40 : x
  2. Step 2: Convert to fraction form
    11,333.20/16,999.80 = 11,256.40/x
  3. Step 3: Cross multiply
    11,333.20x = 16,999.80 × 11,256.40
  4. Step 4: Simplify right side
    11,333.20x = 191,356,548.72
  5. Step 5: Solve for x
    x = 191,356,548.72/11,333.20
  6. Step 6: Final answer
    x = 16,884.60

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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.