Home / 12,182.19-18,265.77-4,783.30

Finding the Fourth Proportional to 12,182.19, 18,265.77 and 4,783.30

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Solution

The fourth proportional to 12,182.19, 18,265.77 and 4,783.30 is: 7,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.19 : 18,265.77 = 4,783.30 : x
  2. Step 2: Convert to fraction form
    12,182.19/18,265.77 = 4,783.30/x
  3. Step 3: Cross multiply
    12,182.19x = 18,265.77 × 4,783.30
  4. Step 4: Simplify right side
    12,182.19x = 87,370,542.40
  5. Step 5: Solve for x
    x = 87,370,542.40/12,182.19
  6. Step 6: Final answer
    x = 7,171.99

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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.