Home / 13,171.84-19,760.73-6,934.79

Finding the Fourth Proportional to 13,171.84, 19,760.73 and 6,934.79

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Solution

The fourth proportional to 13,171.84, 19,760.73 and 6,934.79 is: 10,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.84 : 19,760.73 = 6,934.79 : x
  2. Step 2: Convert to fraction form
    13,171.84/19,760.73 = 6,934.79/x
  3. Step 3: Cross multiply
    13,171.84x = 19,760.73 × 6,934.79
  4. Step 4: Simplify right side
    13,171.84x = 137,036,536.19
  5. Step 5: Solve for x
    x = 137,036,536.19/13,171.84
  6. Step 6: Final answer
    x = 10,403.75

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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.