Home / 19,150.75-28,729.13-9,785.69

Finding the Fourth Proportional to 19,150.75, 28,729.13 and 9,785.69

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Solution

The fourth proportional to 19,150.75, 28,729.13 and 9,785.69 is: 14,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.75 : 28,729.13 = 9,785.69 : x
  2. Step 2: Convert to fraction form
    19,150.75/28,729.13 = 9,785.69/x
  3. Step 3: Cross multiply
    19,150.75x = 28,729.13 × 9,785.69
  4. Step 4: Simplify right side
    19,150.75x = 281,134,249.55
  5. Step 5: Solve for x
    x = 281,134,249.55/19,150.75
  6. Step 6: Final answer
    x = 14,680.06

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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.