Home / 14,096.40-21,144.60-8,912.40

Finding the Fourth Proportional to 14,096.40, 21,144.60 and 8,912.40

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Solution

The fourth proportional to 14,096.40, 21,144.60 and 8,912.40 is: 13,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096.40 : 21,144.60 = 8,912.40 : x
  2. Step 2: Convert to fraction form
    14,096.40/21,144.60 = 8,912.40/x
  3. Step 3: Cross multiply
    14,096.40x = 21,144.60 × 8,912.40
  4. Step 4: Simplify right side
    14,096.40x = 188,449,133.04
  5. Step 5: Solve for x
    x = 188,449,133.04/14,096.40
  6. Step 6: Final answer
    x = 13,368.60

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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.