Home / 14,440.40-21,660.72-5,080.49

Finding the Fourth Proportional to 14,440.40, 21,660.72 and 5,080.49

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Solution

The fourth proportional to 14,440.40, 21,660.72 and 5,080.49 is: 7,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.40 : 21,660.72 = 5,080.49 : x
  2. Step 2: Convert to fraction form
    14,440.40/21,660.72 = 5,080.49/x
  3. Step 3: Cross multiply
    14,440.40x = 21,660.72 × 5,080.49
  4. Step 4: Simplify right side
    14,440.40x = 110,046,963.05
  5. Step 5: Solve for x
    x = 110,046,963.05/14,440.40
  6. Step 6: Final answer
    x = 7,620.77

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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.