Home / 10,763.38-16,115.91-5,558.32

Finding the Fourth Proportional to 10,763.38, 16,115.91 and 5,558.32

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Solution

The fourth proportional to 10,763.38, 16,115.91 and 5,558.32 is: 8,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.38 : 16,115.91 = 5,558.32 : x
  2. Step 2: Convert to fraction form
    10,763.38/16,115.91 = 5,558.32/x
  3. Step 3: Cross multiply
    10,763.38x = 16,115.91 × 5,558.32
  4. Step 4: Simplify right side
    10,763.38x = 89,577,415.44
  5. Step 5: Solve for x
    x = 89,577,415.44/10,763.38
  6. Step 6: Final answer
    x = 8,322.42

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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.