Home / 13,285.44-19,921.68-9,397.44

Finding the Fourth Proportional to 13,285.44, 19,921.68 and 9,397.44

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Solution

The fourth proportional to 13,285.44, 19,921.68 and 9,397.44 is: 14,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.44 : 19,921.68 = 9,397.44 : x
  2. Step 2: Convert to fraction form
    13,285.44/19,921.68 = 9,397.44/x
  3. Step 3: Cross multiply
    13,285.44x = 19,921.68 × 9,397.44
  4. Step 4: Simplify right side
    13,285.44x = 187,212,792.50
  5. Step 5: Solve for x
    x = 187,212,792.50/13,285.44
  6. Step 6: Final answer
    x = 14,091.58

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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.