Home / 10,803.36-16,205.04-3,874.08

Finding the Fourth Proportional to 10,803.36, 16,205.04 and 3,874.08

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Solution

The fourth proportional to 10,803.36, 16,205.04 and 3,874.08 is: 5,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.36 : 16,205.04 = 3,874.08 : x
  2. Step 2: Convert to fraction form
    10,803.36/16,205.04 = 3,874.08/x
  3. Step 3: Cross multiply
    10,803.36x = 16,205.04 × 3,874.08
  4. Step 4: Simplify right side
    10,803.36x = 62,779,621.36
  5. Step 5: Solve for x
    x = 62,779,621.36/10,803.36
  6. Step 6: Final answer
    x = 5,811.12

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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.