Home / 19,014.24-28,509.21-9,133.86

Finding the Fourth Proportional to 19,014.24, 28,509.21 and 9,133.86

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Solution

The fourth proportional to 19,014.24, 28,509.21 and 9,133.86 is: 13,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.24 : 28,509.21 = 9,133.86 : x
  2. Step 2: Convert to fraction form
    19,014.24/28,509.21 = 9,133.86/x
  3. Step 3: Cross multiply
    19,014.24x = 28,509.21 × 9,133.86
  4. Step 4: Simplify right side
    19,014.24x = 260,399,132.85
  5. Step 5: Solve for x
    x = 260,399,132.85/19,014.24
  6. Step 6: Final answer
    x = 13,694.95

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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.