Home / 10,027.85-15,043.26-9,412.79

Finding the Fourth Proportional to 10,027.85, 15,043.26 and 9,412.79

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Solution

The fourth proportional to 10,027.85, 15,043.26 and 9,412.79 is: 14,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.85 : 15,043.26 = 9,412.79 : x
  2. Step 2: Convert to fraction form
    10,027.85/15,043.26 = 9,412.79/x
  3. Step 3: Cross multiply
    10,027.85x = 15,043.26 × 9,412.79
  4. Step 4: Simplify right side
    10,027.85x = 141,599,120.20
  5. Step 5: Solve for x
    x = 141,599,120.20/10,027.85
  6. Step 6: Final answer
    x = 14,120.58

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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.