Home / 14,332.88-19,778.72-7,959.89

Finding the Fourth Proportional to 14,332.88, 19,778.72 and 7,959.89

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Solution

The fourth proportional to 14,332.88, 19,778.72 and 7,959.89 is: 10,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.88 : 19,778.72 = 7,959.89 : x
  2. Step 2: Convert to fraction form
    14,332.88/19,778.72 = 7,959.89/x
  3. Step 3: Cross multiply
    14,332.88x = 19,778.72 × 7,959.89
  4. Step 4: Simplify right side
    14,332.88x = 157,436,296.85
  5. Step 5: Solve for x
    x = 157,436,296.85/14,332.88
  6. Step 6: Final answer
    x = 10,984.27

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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.