Home / 19,015.38-28,527.45-9,162.96

Finding the Fourth Proportional to 19,015.38, 28,527.45 and 9,162.96

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Solution

The fourth proportional to 19,015.38, 28,527.45 and 9,162.96 is: 13,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.38 : 28,527.45 = 9,162.96 : x
  2. Step 2: Convert to fraction form
    19,015.38/28,527.45 = 9,162.96/x
  3. Step 3: Cross multiply
    19,015.38x = 28,527.45 × 9,162.96
  4. Step 4: Simplify right side
    19,015.38x = 261,395,883.25
  5. Step 5: Solve for x
    x = 261,395,883.25/19,015.38
  6. Step 6: Final answer
    x = 13,746.55

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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.