Home / 14,368.56-21,550.38-3,977.88

Finding the Fourth Proportional to 14,368.56, 21,550.38 and 3,977.88

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Solution

The fourth proportional to 14,368.56, 21,550.38 and 3,977.88 is: 5,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.56 : 21,550.38 = 3,977.88 : x
  2. Step 2: Convert to fraction form
    14,368.56/21,550.38 = 3,977.88/x
  3. Step 3: Cross multiply
    14,368.56x = 21,550.38 × 3,977.88
  4. Step 4: Simplify right side
    14,368.56x = 85,724,717.84
  5. Step 5: Solve for x
    x = 85,724,717.84/14,368.56
  6. Step 6: Final answer
    x = 5,966.13

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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.