Home / 13,279.56-19,910.10-9,533.64

Finding the Fourth Proportional to 13,279.56, 19,910.10 and 9,533.64

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Solution

The fourth proportional to 13,279.56, 19,910.10 and 9,533.64 is: 14,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.56 : 19,910.10 = 9,533.64 : x
  2. Step 2: Convert to fraction form
    13,279.56/19,910.10 = 9,533.64/x
  3. Step 3: Cross multiply
    13,279.56x = 19,910.10 × 9,533.64
  4. Step 4: Simplify right side
    13,279.56x = 189,815,725.76
  5. Step 5: Solve for x
    x = 189,815,725.76/13,279.56
  6. Step 6: Final answer
    x = 14,293.83

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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.