Home / 14,375.28-19,731.90-12,768.24

Finding the Fourth Proportional to 14,375.28, 19,731.90 and 12,768.24

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Solution

The fourth proportional to 14,375.28, 19,731.90 and 12,768.24 is: 17,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.28 : 19,731.90 = 12,768.24 : x
  2. Step 2: Convert to fraction form
    14,375.28/19,731.90 = 12,768.24/x
  3. Step 3: Cross multiply
    14,375.28x = 19,731.90 × 12,768.24
  4. Step 4: Simplify right side
    14,375.28x = 251,941,634.86
  5. Step 5: Solve for x
    x = 251,941,634.86/14,375.28
  6. Step 6: Final answer
    x = 17,526.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.