Home / 18,767.25-28,150.91-7,527.69

Finding the Fourth Proportional to 18,767.25, 28,150.91 and 7,527.69

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Solution

The fourth proportional to 18,767.25, 28,150.91 and 7,527.69 is: 11,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.25 : 28,150.91 = 7,527.69 : x
  2. Step 2: Convert to fraction form
    18,767.25/28,150.91 = 7,527.69/x
  3. Step 3: Cross multiply
    18,767.25x = 28,150.91 × 7,527.69
  4. Step 4: Simplify right side
    18,767.25x = 211,911,286.06
  5. Step 5: Solve for x
    x = 211,911,286.06/18,767.25
  6. Step 6: Final answer
    x = 11,291.55

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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.