Home / 13,251.60-18,287.69-7,283.73

Finding the Fourth Proportional to 13,251.60, 18,287.69 and 7,283.73

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Solution

The fourth proportional to 13,251.60, 18,287.69 and 7,283.73 is: 10,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.60 : 18,287.69 = 7,283.73 : x
  2. Step 2: Convert to fraction form
    13,251.60/18,287.69 = 7,283.73/x
  3. Step 3: Cross multiply
    13,251.60x = 18,287.69 × 7,283.73
  4. Step 4: Simplify right side
    13,251.60x = 133,202,596.28
  5. Step 5: Solve for x
    x = 133,202,596.28/13,251.60
  6. Step 6: Final answer
    x = 10,051.81

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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.