Home / 14,195.88-21,271.92-8,990.82

Finding the Fourth Proportional to 14,195.88, 21,271.92 and 8,990.82

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Solution

The fourth proportional to 14,195.88, 21,271.92 and 8,990.82 is: 13,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.88 : 21,271.92 = 8,990.82 : x
  2. Step 2: Convert to fraction form
    14,195.88/21,271.92 = 8,990.82/x
  3. Step 3: Cross multiply
    14,195.88x = 21,271.92 × 8,990.82
  4. Step 4: Simplify right side
    14,195.88x = 191,252,003.77
  5. Step 5: Solve for x
    x = 191,252,003.77/14,195.88
  6. Step 6: Final answer
    x = 13,472.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.