Home / 11,337.93-15,643.92-6,860.79

Finding the Fourth Proportional to 11,337.93, 15,643.92 and 6,860.79

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Solution

The fourth proportional to 11,337.93, 15,643.92 and 6,860.79 is: 9,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.93 : 15,643.92 = 6,860.79 : x
  2. Step 2: Convert to fraction form
    11,337.93/15,643.92 = 6,860.79/x
  3. Step 3: Cross multiply
    11,337.93x = 15,643.92 × 6,860.79
  4. Step 4: Simplify right side
    11,337.93x = 107,329,571.68
  5. Step 5: Solve for x
    x = 107,329,571.68/11,337.93
  6. Step 6: Final answer
    x = 9,466.42

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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.