Home / 16,912.42-25,368.63-13,209.10

Finding the Fourth Proportional to 16,912.42, 25,368.63 and 13,209.10

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Solution

The fourth proportional to 16,912.42, 25,368.63 and 13,209.10 is: 19,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.42 : 25,368.63 = 13,209.10 : x
  2. Step 2: Convert to fraction form
    16,912.42/25,368.63 = 13,209.10/x
  3. Step 3: Cross multiply
    16,912.42x = 25,368.63 × 13,209.10
  4. Step 4: Simplify right side
    16,912.42x = 335,096,770.53
  5. Step 5: Solve for x
    x = 335,096,770.53/16,912.42
  6. Step 6: Final answer
    x = 19,813.65

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Similar ratio
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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.