Home / 14,080.50-19,431.09-7,793.28

Finding the Fourth Proportional to 14,080.50, 19,431.09 and 7,793.28

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Solution

The fourth proportional to 14,080.50, 19,431.09 and 7,793.28 is: 10,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.50 : 19,431.09 = 7,793.28 : x
  2. Step 2: Convert to fraction form
    14,080.50/19,431.09 = 7,793.28/x
  3. Step 3: Cross multiply
    14,080.50x = 19,431.09 × 7,793.28
  4. Step 4: Simplify right side
    14,080.50x = 151,431,925.08
  5. Step 5: Solve for x
    x = 151,431,925.08/14,080.50
  6. Step 6: Final answer
    x = 10,754.73

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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.