Home / 19,011.42-28,446.50-11,958.50

Finding the Fourth Proportional to 19,011.42, 28,446.50 and 11,958.50

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Solution

The fourth proportional to 19,011.42, 28,446.50 and 11,958.50 is: 17,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.42 : 28,446.50 = 11,958.50 : x
  2. Step 2: Convert to fraction form
    19,011.42/28,446.50 = 11,958.50/x
  3. Step 3: Cross multiply
    19,011.42x = 28,446.50 × 11,958.50
  4. Step 4: Simplify right side
    19,011.42x = 340,177,470.25
  5. Step 5: Solve for x
    x = 340,177,470.25/19,011.42
  6. Step 6: Final answer
    x = 17,893.32

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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.