Home / 12,504.15-18,752.31-4,182.23

Finding the Fourth Proportional to 12,504.15, 18,752.31 and 4,182.23

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Solution

The fourth proportional to 12,504.15, 18,752.31 and 4,182.23 is: 6,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.15 : 18,752.31 = 4,182.23 : x
  2. Step 2: Convert to fraction form
    12,504.15/18,752.31 = 4,182.23/x
  3. Step 3: Cross multiply
    12,504.15x = 18,752.31 × 4,182.23
  4. Step 4: Simplify right side
    12,504.15x = 78,426,520.33
  5. Step 5: Solve for x
    x = 78,426,520.33/12,504.15
  6. Step 6: Final answer
    x = 6,272.04

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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.