Home / 14,080.68-21,110.64-8,532.72

Finding the Fourth Proportional to 14,080.68, 21,110.64 and 8,532.72

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Solution

The fourth proportional to 14,080.68, 21,110.64 and 8,532.72 is: 12,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.68 : 21,110.64 = 8,532.72 : x
  2. Step 2: Convert to fraction form
    14,080.68/21,110.64 = 8,532.72/x
  3. Step 3: Cross multiply
    14,080.68x = 21,110.64 × 8,532.72
  4. Step 4: Simplify right side
    14,080.68x = 180,131,180.14
  5. Step 5: Solve for x
    x = 180,131,180.14/14,080.68
  6. Step 6: Final answer
    x = 12,792.79

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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.