Home / 10,145.08-15,215.01-3,903.26

Finding the Fourth Proportional to 10,145.08, 15,215.01 and 3,903.26

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Solution

The fourth proportional to 10,145.08, 15,215.01 and 3,903.26 is: 5,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.08 : 15,215.01 = 3,903.26 : x
  2. Step 2: Convert to fraction form
    10,145.08/15,215.01 = 3,903.26/x
  3. Step 3: Cross multiply
    10,145.08x = 15,215.01 × 3,903.26
  4. Step 4: Simplify right side
    10,145.08x = 59,388,049.22
  5. Step 5: Solve for x
    x = 59,388,049.22/10,145.08
  6. Step 6: Final answer
    x = 5,853.88

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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.