Home / 12,892.08-19,338.30-3,658.08

Finding the Fourth Proportional to 12,892.08, 19,338.30 and 3,658.08

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Solution

The fourth proportional to 12,892.08, 19,338.30 and 3,658.08 is: 5,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.08 : 19,338.30 = 3,658.08 : x
  2. Step 2: Convert to fraction form
    12,892.08/19,338.30 = 3,658.08/x
  3. Step 3: Cross multiply
    12,892.08x = 19,338.30 × 3,658.08
  4. Step 4: Simplify right side
    12,892.08x = 70,741,048.46
  5. Step 5: Solve for x
    x = 70,741,048.46/12,892.08
  6. Step 6: Final answer
    x = 5,487.17

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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.