Home / 14,044.12-19,380.97-7,756.49

Finding the Fourth Proportional to 14,044.12, 19,380.97 and 7,756.49

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Solution

The fourth proportional to 14,044.12, 19,380.97 and 7,756.49 is: 10,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.12 : 19,380.97 = 7,756.49 : x
  2. Step 2: Convert to fraction form
    14,044.12/19,380.97 = 7,756.49/x
  3. Step 3: Cross multiply
    14,044.12x = 19,380.97 × 7,756.49
  4. Step 4: Simplify right side
    14,044.12x = 150,328,358.14
  5. Step 5: Solve for x
    x = 150,328,358.14/14,044.12
  6. Step 6: Final answer
    x = 10,704.01

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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.