Home / 11,801.28-16,285.05-6,764.43

Finding the Fourth Proportional to 11,801.28, 16,285.05 and 6,764.43

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Solution

The fourth proportional to 11,801.28, 16,285.05 and 6,764.43 is: 9,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.28 : 16,285.05 = 6,764.43 : x
  2. Step 2: Convert to fraction form
    11,801.28/16,285.05 = 6,764.43/x
  3. Step 3: Cross multiply
    11,801.28x = 16,285.05 × 6,764.43
  4. Step 4: Simplify right side
    11,801.28x = 110,159,080.77
  5. Step 5: Solve for x
    x = 110,159,080.77/11,801.28
  6. Step 6: Final answer
    x = 9,334.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.