Home / 14,434.20-19,901.70-11,080.80

Finding the Fourth Proportional to 14,434.20, 19,901.70 and 11,080.80

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Solution

The fourth proportional to 14,434.20, 19,901.70 and 11,080.80 is: 15,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.20 : 19,901.70 = 11,080.80 : x
  2. Step 2: Convert to fraction form
    14,434.20/19,901.70 = 11,080.80/x
  3. Step 3: Cross multiply
    14,434.20x = 19,901.70 × 11,080.80
  4. Step 4: Simplify right side
    14,434.20x = 220,526,757.36
  5. Step 5: Solve for x
    x = 220,526,757.36/14,434.20
  6. Step 6: Final answer
    x = 15,278.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.