Home / 13,015.08-19,523.88-4,250.16

Finding the Fourth Proportional to 13,015.08, 19,523.88 and 4,250.16

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Solution

The fourth proportional to 13,015.08, 19,523.88 and 4,250.16 is: 6,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.08 : 19,523.88 = 4,250.16 : x
  2. Step 2: Convert to fraction form
    13,015.08/19,523.88 = 4,250.16/x
  3. Step 3: Cross multiply
    13,015.08x = 19,523.88 × 4,250.16
  4. Step 4: Simplify right side
    13,015.08x = 82,979,613.82
  5. Step 5: Solve for x
    x = 82,979,613.82/13,015.08
  6. Step 6: Final answer
    x = 6,375.65

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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.