Home / 16,195.40-24,314.70-12,912.20

Finding the Fourth Proportional to 16,195.40, 24,314.70 and 12,912.20

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Solution

The fourth proportional to 16,195.40, 24,314.70 and 12,912.20 is: 19,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.40 : 24,314.70 = 12,912.20 : x
  2. Step 2: Convert to fraction form
    16,195.40/24,314.70 = 12,912.20/x
  3. Step 3: Cross multiply
    16,195.40x = 24,314.70 × 12,912.20
  4. Step 4: Simplify right side
    16,195.40x = 313,956,269.34
  5. Step 5: Solve for x
    x = 313,956,269.34/16,195.40
  6. Step 6: Final answer
    x = 19,385.52

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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.