Home / 38,143.80-57,216.23-11,846.88

Finding the Fourth Proportional to 38,143.80, 57,216.23 and 11,846.88

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Solution

The fourth proportional to 38,143.80, 57,216.23 and 11,846.88 is: 17,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.80 : 57,216.23 = 11,846.88 : x
  2. Step 2: Convert to fraction form
    38,143.80/57,216.23 = 11,846.88/x
  3. Step 3: Cross multiply
    38,143.80x = 57,216.23 × 11,846.88
  4. Step 4: Simplify right side
    38,143.80x = 677,833,810.86
  5. Step 5: Solve for x
    x = 677,833,810.86/38,143.80
  6. Step 6: Final answer
    x = 17,770.48

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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.