Home / 14,953.62-20,635.90-8,239.06

Finding the Fourth Proportional to 14,953.62, 20,635.90 and 8,239.06

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Solution

The fourth proportional to 14,953.62, 20,635.90 and 8,239.06 is: 11,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.62 : 20,635.90 = 8,239.06 : x
  2. Step 2: Convert to fraction form
    14,953.62/20,635.90 = 8,239.06/x
  3. Step 3: Cross multiply
    14,953.62x = 20,635.90 × 8,239.06
  4. Step 4: Simplify right side
    14,953.62x = 170,020,418.25
  5. Step 5: Solve for x
    x = 170,020,418.25/14,953.62
  6. Step 6: Final answer
    x = 11,369.85

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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.