Home / 14,488.43-19,993.68-8,520.48

Finding the Fourth Proportional to 14,488.43, 19,993.68 and 8,520.48

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Solution

The fourth proportional to 14,488.43, 19,993.68 and 8,520.48 is: 11,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.43 : 19,993.68 = 8,520.48 : x
  2. Step 2: Convert to fraction form
    14,488.43/19,993.68 = 8,520.48/x
  3. Step 3: Cross multiply
    14,488.43x = 19,993.68 × 8,520.48
  4. Step 4: Simplify right side
    14,488.43x = 170,355,750.57
  5. Step 5: Solve for x
    x = 170,355,750.57/14,488.43
  6. Step 6: Final answer
    x = 11,758.06

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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.