Home / 14,834.89-20,472.12-8,120.52

Finding the Fourth Proportional to 14,834.89, 20,472.12 and 8,120.52

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Solution

The fourth proportional to 14,834.89, 20,472.12 and 8,120.52 is: 11,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.89 : 20,472.12 = 8,120.52 : x
  2. Step 2: Convert to fraction form
    14,834.89/20,472.12 = 8,120.52/x
  3. Step 3: Cross multiply
    14,834.89x = 20,472.12 × 8,120.52
  4. Step 4: Simplify right side
    14,834.89x = 166,244,259.90
  5. Step 5: Solve for x
    x = 166,244,259.90/14,834.89
  6. Step 6: Final answer
    x = 11,206.30

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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.