Home / 11,080.34-15,285.72-6,601.58

Finding the Fourth Proportional to 11,080.34, 15,285.72 and 6,601.58

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Solution

The fourth proportional to 11,080.34, 15,285.72 and 6,601.58 is: 9,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.34 : 15,285.72 = 6,601.58 : x
  2. Step 2: Convert to fraction form
    11,080.34/15,285.72 = 6,601.58/x
  3. Step 3: Cross multiply
    11,080.34x = 15,285.72 × 6,601.58
  4. Step 4: Simplify right side
    11,080.34x = 100,909,903.44
  5. Step 5: Solve for x
    x = 100,909,903.44/11,080.34
  6. Step 6: Final answer
    x = 9,107.11

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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.