Home / 12,808.53-19,214.08-3,923.76

Finding the Fourth Proportional to 12,808.53, 19,214.08 and 3,923.76

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Solution

The fourth proportional to 12,808.53, 19,214.08 and 3,923.76 is: 5,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.53 : 19,214.08 = 3,923.76 : x
  2. Step 2: Convert to fraction form
    12,808.53/19,214.08 = 3,923.76/x
  3. Step 3: Cross multiply
    12,808.53x = 19,214.08 × 3,923.76
  4. Step 4: Simplify right side
    12,808.53x = 75,391,428.73
  5. Step 5: Solve for x
    x = 75,391,428.73/12,808.53
  6. Step 6: Final answer
    x = 5,886.03

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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.