Home / 14,519.09-21,782.24-4,130.75

Finding the Fourth Proportional to 14,519.09, 21,782.24 and 4,130.75

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Solution

The fourth proportional to 14,519.09, 21,782.24 and 4,130.75 is: 6,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.09 : 21,782.24 = 4,130.75 : x
  2. Step 2: Convert to fraction form
    14,519.09/21,782.24 = 4,130.75/x
  3. Step 3: Cross multiply
    14,519.09x = 21,782.24 × 4,130.75
  4. Step 4: Simplify right side
    14,519.09x = 89,976,987.88
  5. Step 5: Solve for x
    x = 89,976,987.88/14,519.09
  6. Step 6: Final answer
    x = 6,197.15

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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.