Home / 14,108.55-21,151.27-7,080.09

Finding the Fourth Proportional to 14,108.55, 21,151.27 and 7,080.09

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Solution

The fourth proportional to 14,108.55, 21,151.27 and 7,080.09 is: 10,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.55 : 21,151.27 = 7,080.09 : x
  2. Step 2: Convert to fraction form
    14,108.55/21,151.27 = 7,080.09/x
  3. Step 3: Cross multiply
    14,108.55x = 21,151.27 × 7,080.09
  4. Step 4: Simplify right side
    14,108.55x = 149,752,895.21
  5. Step 5: Solve for x
    x = 149,752,895.21/14,108.55
  6. Step 6: Final answer
    x = 10,614.34

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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.