Home / 13,173.54-19,763.55-9,285.54

Finding the Fourth Proportional to 13,173.54, 19,763.55 and 9,285.54

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Solution

The fourth proportional to 13,173.54, 19,763.55 and 9,285.54 is: 13,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.54 : 19,763.55 = 9,285.54 : x
  2. Step 2: Convert to fraction form
    13,173.54/19,763.55 = 9,285.54/x
  3. Step 3: Cross multiply
    13,173.54x = 19,763.55 × 9,285.54
  4. Step 4: Simplify right side
    13,173.54x = 183,515,234.07
  5. Step 5: Solve for x
    x = 183,515,234.07/13,173.54
  6. Step 6: Final answer
    x = 13,930.59

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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.