Home / 14,912.40-20,574.60-8,623.92

Finding the Fourth Proportional to 14,912.40, 20,574.60 and 8,623.92

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Solution

The fourth proportional to 14,912.40, 20,574.60 and 8,623.92 is: 11,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.40 : 20,574.60 = 8,623.92 : x
  2. Step 2: Convert to fraction form
    14,912.40/20,574.60 = 8,623.92/x
  3. Step 3: Cross multiply
    14,912.40x = 20,574.60 × 8,623.92
  4. Step 4: Simplify right side
    14,912.40x = 177,433,704.43
  5. Step 5: Solve for x
    x = 177,433,704.43/14,912.40
  6. Step 6: Final answer
    x = 11,898.40

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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.