Home / 14,154-21,230.16-4,293.36

Finding the Fourth Proportional to 14,154, 21,230.16 and 4,293.36

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Solution

The fourth proportional to 14,154, 21,230.16 and 4,293.36 is: 6,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154 : 21,230.16 = 4,293.36 : x
  2. Step 2: Convert to fraction form
    14,154/21,230.16 = 4,293.36/x
  3. Step 3: Cross multiply
    14,154x = 21,230.16 × 4,293.36
  4. Step 4: Simplify right side
    14,154x = 91,148,719.74
  5. Step 5: Solve for x
    x = 91,148,719.74/14,154
  6. Step 6: Final answer
    x = 6,439.79

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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.