Home / 23,046.12-31,804.20-12,974.90

Finding the Fourth Proportional to 23,046.12, 31,804.20 and 12,974.90

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Solution

The fourth proportional to 23,046.12, 31,804.20 and 12,974.90 is: 17,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,046.12 : 31,804.20 = 12,974.90 : x
  2. Step 2: Convert to fraction form
    23,046.12/31,804.20 = 12,974.90/x
  3. Step 3: Cross multiply
    23,046.12x = 31,804.20 × 12,974.90
  4. Step 4: Simplify right side
    23,046.12x = 412,656,155.56
  5. Step 5: Solve for x
    x = 412,656,155.56/23,046.12
  6. Step 6: Final answer
    x = 17,905.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.