Home / 10,820.92-16,230.12-3,030.36

Finding the Fourth Proportional to 10,820.92, 16,230.12 and 3,030.36

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Solution

The fourth proportional to 10,820.92, 16,230.12 and 3,030.36 is: 4,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.92 : 16,230.12 = 3,030.36 : x
  2. Step 2: Convert to fraction form
    10,820.92/16,230.12 = 3,030.36/x
  3. Step 3: Cross multiply
    10,820.92x = 16,230.12 × 3,030.36
  4. Step 4: Simplify right side
    10,820.92x = 49,183,106.44
  5. Step 5: Solve for x
    x = 49,183,106.44/10,820.92
  6. Step 6: Final answer
    x = 4,545.19

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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.