Home / 14,440.30-21,670.05-8,200.30

Finding the Fourth Proportional to 14,440.30, 21,670.05 and 8,200.30

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Solution

The fourth proportional to 14,440.30, 21,670.05 and 8,200.30 is: 12,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.30 : 21,670.05 = 8,200.30 : x
  2. Step 2: Convert to fraction form
    14,440.30/21,670.05 = 8,200.30/x
  3. Step 3: Cross multiply
    14,440.30x = 21,670.05 × 8,200.30
  4. Step 4: Simplify right side
    14,440.30x = 177,700,911.02
  5. Step 5: Solve for x
    x = 177,700,911.02/14,440.30
  6. Step 6: Final answer
    x = 12,305.90

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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.