Home / 14,130.45-21,198.51-5,814.99

Finding the Fourth Proportional to 14,130.45, 21,198.51 and 5,814.99

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Solution

The fourth proportional to 14,130.45, 21,198.51 and 5,814.99 is: 8,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.45 : 21,198.51 = 5,814.99 : x
  2. Step 2: Convert to fraction form
    14,130.45/21,198.51 = 5,814.99/x
  3. Step 3: Cross multiply
    14,130.45x = 21,198.51 × 5,814.99
  4. Step 4: Simplify right side
    14,130.45x = 123,269,123.66
  5. Step 5: Solve for x
    x = 123,269,123.66/14,130.45
  6. Step 6: Final answer
    x = 8,723.65

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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.