Home / 20,923.95-31,381.86-5,930.94

Finding the Fourth Proportional to 20,923.95, 31,381.86 and 5,930.94

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Solution

The fourth proportional to 20,923.95, 31,381.86 and 5,930.94 is: 8,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.95 : 31,381.86 = 5,930.94 : x
  2. Step 2: Convert to fraction form
    20,923.95/31,381.86 = 5,930.94/x
  3. Step 3: Cross multiply
    20,923.95x = 31,381.86 × 5,930.94
  4. Step 4: Simplify right side
    20,923.95x = 186,123,928.75
  5. Step 5: Solve for x
    x = 186,123,928.75/20,923.95
  6. Step 6: Final answer
    x = 8,895.26

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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.