Home / 14,144.26-19,519.06-7,857.22

Finding the Fourth Proportional to 14,144.26, 19,519.06 and 7,857.22

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Solution

The fourth proportional to 14,144.26, 19,519.06 and 7,857.22 is: 10,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.26 : 19,519.06 = 7,857.22 : x
  2. Step 2: Convert to fraction form
    14,144.26/19,519.06 = 7,857.22/x
  3. Step 3: Cross multiply
    14,144.26x = 19,519.06 × 7,857.22
  4. Step 4: Simplify right side
    14,144.26x = 153,365,548.61
  5. Step 5: Solve for x
    x = 153,365,548.61/14,144.26
  6. Step 6: Final answer
    x = 10,842.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.