Home / 14,359.03-21,538.50-3,970.75

Finding the Fourth Proportional to 14,359.03, 21,538.50 and 3,970.75

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Solution

The fourth proportional to 14,359.03, 21,538.50 and 3,970.75 is: 5,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.03 : 21,538.50 = 3,970.75 : x
  2. Step 2: Convert to fraction form
    14,359.03/21,538.50 = 3,970.75/x
  3. Step 3: Cross multiply
    14,359.03x = 21,538.50 × 3,970.75
  4. Step 4: Simplify right side
    14,359.03x = 85,523,998.88
  5. Step 5: Solve for x
    x = 85,523,998.88/14,359.03
  6. Step 6: Final answer
    x = 5,956.11

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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.