Home / 13,662.33-18,852.45-7,693.85

Finding the Fourth Proportional to 13,662.33, 18,852.45 and 7,693.85

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Solution

The fourth proportional to 13,662.33, 18,852.45 and 7,693.85 is: 10,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.33 : 18,852.45 = 7,693.85 : x
  2. Step 2: Convert to fraction form
    13,662.33/18,852.45 = 7,693.85/x
  3. Step 3: Cross multiply
    13,662.33x = 18,852.45 × 7,693.85
  4. Step 4: Simplify right side
    13,662.33x = 145,047,828.17
  5. Step 5: Solve for x
    x = 145,047,828.17/13,662.33
  6. Step 6: Final answer
    x = 10,616.62

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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.