Home / 18,283.21-27,406.35-7,197.68

Finding the Fourth Proportional to 18,283.21, 27,406.35 and 7,197.68

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Solution

The fourth proportional to 18,283.21, 27,406.35 and 7,197.68 is: 10,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.21 : 27,406.35 = 7,197.68 : x
  2. Step 2: Convert to fraction form
    18,283.21/27,406.35 = 7,197.68/x
  3. Step 3: Cross multiply
    18,283.21x = 27,406.35 × 7,197.68
  4. Step 4: Simplify right side
    18,283.21x = 197,262,068.75
  5. Step 5: Solve for x
    x = 197,262,068.75/18,283.21
  6. Step 6: Final answer
    x = 10,789.25

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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.