Home / 14,440.20-21,660.90-4,579.86

Finding the Fourth Proportional to 14,440.20, 21,660.90 and 4,579.86

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Solution

The fourth proportional to 14,440.20, 21,660.90 and 4,579.86 is: 6,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.20 : 21,660.90 = 4,579.86 : x
  2. Step 2: Convert to fraction form
    14,440.20/21,660.90 = 4,579.86/x
  3. Step 3: Cross multiply
    14,440.20x = 21,660.90 × 4,579.86
  4. Step 4: Simplify right side
    14,440.20x = 99,203,889.47
  5. Step 5: Solve for x
    x = 99,203,889.47/14,440.20
  6. Step 6: Final answer
    x = 6,869.98

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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.