Home / 11,208.20-16,812.30-10,363.40

Finding the Fourth Proportional to 11,208.20, 16,812.30 and 10,363.40

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Solution

The fourth proportional to 11,208.20, 16,812.30 and 10,363.40 is: 15,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.20 : 16,812.30 = 10,363.40 : x
  2. Step 2: Convert to fraction form
    11,208.20/16,812.30 = 10,363.40/x
  3. Step 3: Cross multiply
    11,208.20x = 16,812.30 × 10,363.40
  4. Step 4: Simplify right side
    11,208.20x = 174,232,589.82
  5. Step 5: Solve for x
    x = 174,232,589.82/11,208.20
  6. Step 6: Final answer
    x = 15,545.10

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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.