Home / 11,323.71-16,985.58-3,928.17

Finding the Fourth Proportional to 11,323.71, 16,985.58 and 3,928.17

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Solution

The fourth proportional to 11,323.71, 16,985.58 and 3,928.17 is: 5,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.71 : 16,985.58 = 3,928.17 : x
  2. Step 2: Convert to fraction form
    11,323.71/16,985.58 = 3,928.17/x
  3. Step 3: Cross multiply
    11,323.71x = 16,985.58 × 3,928.17
  4. Step 4: Simplify right side
    11,323.71x = 66,722,245.79
  5. Step 5: Solve for x
    x = 66,722,245.79/11,323.71
  6. Step 6: Final answer
    x = 5,892.26

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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.