Home / 14,138.46-19,509.36-8,395.02

Finding the Fourth Proportional to 14,138.46, 19,509.36 and 8,395.02

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Solution

The fourth proportional to 14,138.46, 19,509.36 and 8,395.02 is: 11,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.46 : 19,509.36 = 8,395.02 : x
  2. Step 2: Convert to fraction form
    14,138.46/19,509.36 = 8,395.02/x
  3. Step 3: Cross multiply
    14,138.46x = 19,509.36 × 8,395.02
  4. Step 4: Simplify right side
    14,138.46x = 163,781,467.39
  5. Step 5: Solve for x
    x = 163,781,467.39/14,138.46
  6. Step 6: Final answer
    x = 11,584.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.