Home / 19,134.24-28,704.30-9,769.16

Finding the Fourth Proportional to 19,134.24, 28,704.30 and 9,769.16

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Solution

The fourth proportional to 19,134.24, 28,704.30 and 9,769.16 is: 14,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.24 : 28,704.30 = 9,769.16 : x
  2. Step 2: Convert to fraction form
    19,134.24/28,704.30 = 9,769.16/x
  3. Step 3: Cross multiply
    19,134.24x = 28,704.30 × 9,769.16
  4. Step 4: Simplify right side
    19,134.24x = 280,416,899.39
  5. Step 5: Solve for x
    x = 280,416,899.39/19,134.24
  6. Step 6: Final answer
    x = 14,655.24

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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.