Home / 14,353.40-21,530.52-3,965.16

Finding the Fourth Proportional to 14,353.40, 21,530.52 and 3,965.16

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Solution

The fourth proportional to 14,353.40, 21,530.52 and 3,965.16 is: 5,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.40 : 21,530.52 = 3,965.16 : x
  2. Step 2: Convert to fraction form
    14,353.40/21,530.52 = 3,965.16/x
  3. Step 3: Cross multiply
    14,353.40x = 21,530.52 × 3,965.16
  4. Step 4: Simplify right side
    14,353.40x = 85,371,956.68
  5. Step 5: Solve for x
    x = 85,371,956.68/14,353.40
  6. Step 6: Final answer
    x = 5,947.86

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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.