Home / 13,049.45-19,575.17-5,151.40

Finding the Fourth Proportional to 13,049.45, 19,575.17 and 5,151.40

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Solution

The fourth proportional to 13,049.45, 19,575.17 and 5,151.40 is: 7,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.45 : 19,575.17 = 5,151.40 : x
  2. Step 2: Convert to fraction form
    13,049.45/19,575.17 = 5,151.40/x
  3. Step 3: Cross multiply
    13,049.45x = 19,575.17 × 5,151.40
  4. Step 4: Simplify right side
    13,049.45x = 100,839,475.36
  5. Step 5: Solve for x
    x = 100,839,475.36/13,049.45
  6. Step 6: Final answer
    x = 7,727.49

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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.