Home / 14,310.55-21,463.53-3,919.87

Finding the Fourth Proportional to 14,310.55, 21,463.53 and 3,919.87

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Solution

The fourth proportional to 14,310.55, 21,463.53 and 3,919.87 is: 5,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.55 : 21,463.53 = 3,919.87 : x
  2. Step 2: Convert to fraction form
    14,310.55/21,463.53 = 3,919.87/x
  3. Step 3: Cross multiply
    14,310.55x = 21,463.53 × 3,919.87
  4. Step 4: Simplify right side
    14,310.55x = 84,134,247.34
  5. Step 5: Solve for x
    x = 84,134,247.34/14,310.55
  6. Step 6: Final answer
    x = 5,879.18

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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.