Home / 13,923.41-20,890.58-6,126.75

Finding the Fourth Proportional to 13,923.41, 20,890.58 and 6,126.75

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Solution

The fourth proportional to 13,923.41, 20,890.58 and 6,126.75 is: 9,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.41 : 20,890.58 = 6,126.75 : x
  2. Step 2: Convert to fraction form
    13,923.41/20,890.58 = 6,126.75/x
  3. Step 3: Cross multiply
    13,923.41x = 20,890.58 × 6,126.75
  4. Step 4: Simplify right side
    13,923.41x = 127,991,330.38
  5. Step 5: Solve for x
    x = 127,991,330.38/13,923.41
  6. Step 6: Final answer
    x = 9,192.53

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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.