Home / 21,973.38-32,960.07-12,745.86

Finding the Fourth Proportional to 21,973.38, 32,960.07 and 12,745.86

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Solution

The fourth proportional to 21,973.38, 32,960.07 and 12,745.86 is: 19,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.38 : 32,960.07 = 12,745.86 : x
  2. Step 2: Convert to fraction form
    21,973.38/32,960.07 = 12,745.86/x
  3. Step 3: Cross multiply
    21,973.38x = 32,960.07 × 12,745.86
  4. Step 4: Simplify right side
    21,973.38x = 420,104,437.81
  5. Step 5: Solve for x
    x = 420,104,437.81/21,973.38
  6. Step 6: Final answer
    x = 19,118.79

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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.