Home / 12,910.08-19,363.04-3,673.92

Finding the Fourth Proportional to 12,910.08, 19,363.04 and 3,673.92

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Solution

The fourth proportional to 12,910.08, 19,363.04 and 3,673.92 is: 5,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.08 : 19,363.04 = 3,673.92 : x
  2. Step 2: Convert to fraction form
    12,910.08/19,363.04 = 3,673.92/x
  3. Step 3: Cross multiply
    12,910.08x = 19,363.04 × 3,673.92
  4. Step 4: Simplify right side
    12,910.08x = 71,138,259.92
  5. Step 5: Solve for x
    x = 71,138,259.92/12,910.08
  6. Step 6: Final answer
    x = 5,510.29

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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.