Home / 14,239.50-19,650.42-8,274.66

Finding the Fourth Proportional to 14,239.50, 19,650.42 and 8,274.66

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Solution

The fourth proportional to 14,239.50, 19,650.42 and 8,274.66 is: 11,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.50 : 19,650.42 = 8,274.66 : x
  2. Step 2: Convert to fraction form
    14,239.50/19,650.42 = 8,274.66/x
  3. Step 3: Cross multiply
    14,239.50x = 19,650.42 × 8,274.66
  4. Step 4: Simplify right side
    14,239.50x = 162,600,544.36
  5. Step 5: Solve for x
    x = 162,600,544.36/14,239.50
  6. Step 6: Final answer
    x = 11,418.98

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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.