Home / 14,145.12-21,217.32-6,754.80

Finding the Fourth Proportional to 14,145.12, 21,217.32 and 6,754.80

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Solution

The fourth proportional to 14,145.12, 21,217.32 and 6,754.80 is: 10,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.12 : 21,217.32 = 6,754.80 : x
  2. Step 2: Convert to fraction form
    14,145.12/21,217.32 = 6,754.80/x
  3. Step 3: Cross multiply
    14,145.12x = 21,217.32 × 6,754.80
  4. Step 4: Simplify right side
    14,145.12x = 143,318,753.14
  5. Step 5: Solve for x
    x = 143,318,753.14/14,145.12
  6. Step 6: Final answer
    x = 10,132.03

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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.