Home / 10,134.99-15,202.40-4,290.75

Finding the Fourth Proportional to 10,134.99, 15,202.40 and 4,290.75

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Solution

The fourth proportional to 10,134.99, 15,202.40 and 4,290.75 is: 6,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.99 : 15,202.40 = 4,290.75 : x
  2. Step 2: Convert to fraction form
    10,134.99/15,202.40 = 4,290.75/x
  3. Step 3: Cross multiply
    10,134.99x = 15,202.40 × 4,290.75
  4. Step 4: Simplify right side
    10,134.99x = 65,229,676.35
  5. Step 5: Solve for x
    x = 65,229,676.35/10,134.99
  6. Step 6: Final answer
    x = 6,436.09

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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.