Home / 38,309.41-57,464.72-12,014.38

Finding the Fourth Proportional to 38,309.41, 57,464.72 and 12,014.38

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Solution

The fourth proportional to 38,309.41, 57,464.72 and 12,014.38 is: 18,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.41 : 57,464.72 = 12,014.38 : x
  2. Step 2: Convert to fraction form
    38,309.41/57,464.72 = 12,014.38/x
  3. Step 3: Cross multiply
    38,309.41x = 57,464.72 × 12,014.38
  4. Step 4: Simplify right side
    38,309.41x = 690,402,982.67
  5. Step 5: Solve for x
    x = 690,402,982.67/38,309.41
  6. Step 6: Final answer
    x = 18,021.76

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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.