Home / 9,029.12-12,453.60-6,039.68

Finding the Fourth Proportional to 9,029.12, 12,453.60 and 6,039.68

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Solution

The fourth proportional to 9,029.12, 12,453.60 and 6,039.68 is: 8,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.12 : 12,453.60 = 6,039.68 : x
  2. Step 2: Convert to fraction form
    9,029.12/12,453.60 = 6,039.68/x
  3. Step 3: Cross multiply
    9,029.12x = 12,453.60 × 6,039.68
  4. Step 4: Simplify right side
    9,029.12x = 75,215,758.85
  5. Step 5: Solve for x
    x = 75,215,758.85/9,029.12
  6. Step 6: Final answer
    x = 8,330.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.