Home / 14,331.20-21,485.64-6,830.86

Finding the Fourth Proportional to 14,331.20, 21,485.64 and 6,830.86

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Solution

The fourth proportional to 14,331.20, 21,485.64 and 6,830.86 is: 10,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.20 : 21,485.64 = 6,830.86 : x
  2. Step 2: Convert to fraction form
    14,331.20/21,485.64 = 6,830.86/x
  3. Step 3: Cross multiply
    14,331.20x = 21,485.64 × 6,830.86
  4. Step 4: Simplify right side
    14,331.20x = 146,765,398.85
  5. Step 5: Solve for x
    x = 146,765,398.85/14,331.20
  6. Step 6: Final answer
    x = 10,240.97

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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.