Home / 20,509.38-30,764.07-14,677.38

Finding the Fourth Proportional to 20,509.38, 30,764.07 and 14,677.38

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Solution

The fourth proportional to 20,509.38, 30,764.07 and 14,677.38 is: 22,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509.38 : 30,764.07 = 14,677.38 : x
  2. Step 2: Convert to fraction form
    20,509.38/30,764.07 = 14,677.38/x
  3. Step 3: Cross multiply
    20,509.38x = 30,764.07 × 14,677.38
  4. Step 4: Simplify right side
    20,509.38x = 451,535,945.74
  5. Step 5: Solve for x
    x = 451,535,945.74/20,509.38
  6. Step 6: Final answer
    x = 22,016.07

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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.