Home / 14,434.72-19,922.88-8,469.52

Finding the Fourth Proportional to 14,434.72, 19,922.88 and 8,469.52

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Solution

The fourth proportional to 14,434.72, 19,922.88 and 8,469.52 is: 11,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.72 : 19,922.88 = 8,469.52 : x
  2. Step 2: Convert to fraction form
    14,434.72/19,922.88 = 8,469.52/x
  3. Step 3: Cross multiply
    14,434.72x = 19,922.88 × 8,469.52
  4. Step 4: Simplify right side
    14,434.72x = 168,737,230.62
  5. Step 5: Solve for x
    x = 168,737,230.62/14,434.72
  6. Step 6: Final answer
    x = 11,689.68

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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.