Home / 14,339.30-21,505.35-5,103.14

Finding the Fourth Proportional to 14,339.30, 21,505.35 and 5,103.14

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Solution

The fourth proportional to 14,339.30, 21,505.35 and 5,103.14 is: 7,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.30 : 21,505.35 = 5,103.14 : x
  2. Step 2: Convert to fraction form
    14,339.30/21,505.35 = 5,103.14/x
  3. Step 3: Cross multiply
    14,339.30x = 21,505.35 × 5,103.14
  4. Step 4: Simplify right side
    14,339.30x = 109,744,811.80
  5. Step 5: Solve for x
    x = 109,744,811.80/14,339.30
  6. Step 6: Final answer
    x = 7,653.43

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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.