Home / 12,808.15-19,209.91-3,446.01

Finding the Fourth Proportional to 12,808.15, 19,209.91 and 3,446.01

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Solution

The fourth proportional to 12,808.15, 19,209.91 and 3,446.01 is: 5,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.15 : 19,209.91 = 3,446.01 : x
  2. Step 2: Convert to fraction form
    12,808.15/19,209.91 = 3,446.01/x
  3. Step 3: Cross multiply
    12,808.15x = 19,209.91 × 3,446.01
  4. Step 4: Simplify right side
    12,808.15x = 66,197,458.76
  5. Step 5: Solve for x
    x = 66,197,458.76/12,808.15
  6. Step 6: Final answer
    x = 5,168.39

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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.