Home / 13,285.25-19,927.83-9,112.60

Finding the Fourth Proportional to 13,285.25, 19,927.83 and 9,112.60

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Solution

The fourth proportional to 13,285.25, 19,927.83 and 9,112.60 is: 13,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.25 : 19,927.83 = 9,112.60 : x
  2. Step 2: Convert to fraction form
    13,285.25/19,927.83 = 9,112.60/x
  3. Step 3: Cross multiply
    13,285.25x = 19,927.83 × 9,112.60
  4. Step 4: Simplify right side
    13,285.25x = 181,594,244.02
  5. Step 5: Solve for x
    x = 181,594,244.02/13,285.25
  6. Step 6: Final answer
    x = 13,668.87

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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.