Home / 14,440.90-21,661.47-5,080.99

Finding the Fourth Proportional to 14,440.90, 21,661.47 and 5,080.99

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Solution

The fourth proportional to 14,440.90, 21,661.47 and 5,080.99 is: 7,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.90 : 21,661.47 = 5,080.99 : x
  2. Step 2: Convert to fraction form
    14,440.90/21,661.47 = 5,080.99/x
  3. Step 3: Cross multiply
    14,440.90x = 21,661.47 × 5,080.99
  4. Step 4: Simplify right side
    14,440.90x = 110,061,604.15
  5. Step 5: Solve for x
    x = 110,061,604.15/14,440.90
  6. Step 6: Final answer
    x = 7,621.52

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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.