Home / 14,285.56-21,426.70-3,898.12

Finding the Fourth Proportional to 14,285.56, 21,426.70 and 3,898.12

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Solution

The fourth proportional to 14,285.56, 21,426.70 and 3,898.12 is: 5,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.56 : 21,426.70 = 3,898.12 : x
  2. Step 2: Convert to fraction form
    14,285.56/21,426.70 = 3,898.12/x
  3. Step 3: Cross multiply
    14,285.56x = 21,426.70 × 3,898.12
  4. Step 4: Simplify right side
    14,285.56x = 83,523,847.80
  5. Step 5: Solve for x
    x = 83,523,847.80/14,285.56
  6. Step 6: Final answer
    x = 5,846.73

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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.