Home / 10,330.03-14,255.44-6,138.28

Finding the Fourth Proportional to 10,330.03, 14,255.44 and 6,138.28

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Solution

The fourth proportional to 10,330.03, 14,255.44 and 6,138.28 is: 8,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.03 : 14,255.44 = 6,138.28 : x
  2. Step 2: Convert to fraction form
    10,330.03/14,255.44 = 6,138.28/x
  3. Step 3: Cross multiply
    10,330.03x = 14,255.44 × 6,138.28
  4. Step 4: Simplify right side
    10,330.03x = 87,503,919.24
  5. Step 5: Solve for x
    x = 87,503,919.24/10,330.03
  6. Step 6: Final answer
    x = 8,470.83

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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.