Home / 13,973.94-20,960.96-13,273.18

Finding the Fourth Proportional to 13,973.94, 20,960.96 and 13,273.18

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Solution

The fourth proportional to 13,973.94, 20,960.96 and 13,273.18 is: 19,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.94 : 20,960.96 = 13,273.18 : x
  2. Step 2: Convert to fraction form
    13,973.94/20,960.96 = 13,273.18/x
  3. Step 3: Cross multiply
    13,973.94x = 20,960.96 × 13,273.18
  4. Step 4: Simplify right side
    13,973.94x = 278,218,595.05
  5. Step 5: Solve for x
    x = 278,218,595.05/13,973.94
  6. Step 6: Final answer
    x = 19,909.82

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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.