Home / 19,171.18-28,724.87-6,684.32

Finding the Fourth Proportional to 19,171.18, 28,724.87 and 6,684.32

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Solution

The fourth proportional to 19,171.18, 28,724.87 and 6,684.32 is: 10,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.18 : 28,724.87 = 6,684.32 : x
  2. Step 2: Convert to fraction form
    19,171.18/28,724.87 = 6,684.32/x
  3. Step 3: Cross multiply
    19,171.18x = 28,724.87 × 6,684.32
  4. Step 4: Simplify right side
    19,171.18x = 192,006,223.04
  5. Step 5: Solve for x
    x = 192,006,223.04/19,171.18
  6. Step 6: Final answer
    x = 10,015.36

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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.