Home / 14,161.85-19,542.04-7,788.45

Finding the Fourth Proportional to 14,161.85, 19,542.04 and 7,788.45

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Solution

The fourth proportional to 14,161.85, 19,542.04 and 7,788.45 is: 10,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.85 : 19,542.04 = 7,788.45 : x
  2. Step 2: Convert to fraction form
    14,161.85/19,542.04 = 7,788.45/x
  3. Step 3: Cross multiply
    14,161.85x = 19,542.04 × 7,788.45
  4. Step 4: Simplify right side
    14,161.85x = 152,202,282.63
  5. Step 5: Solve for x
    x = 152,202,282.63/14,161.85
  6. Step 6: Final answer
    x = 10,747.34

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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.