Home / 14,140.30-19,513.44-8,171.94

Finding the Fourth Proportional to 14,140.30, 19,513.44 and 8,171.94

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Solution

The fourth proportional to 14,140.30, 19,513.44 and 8,171.94 is: 11,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.30 : 19,513.44 = 8,171.94 : x
  2. Step 2: Convert to fraction form
    14,140.30/19,513.44 = 8,171.94/x
  3. Step 3: Cross multiply
    14,140.30x = 19,513.44 × 8,171.94
  4. Step 4: Simplify right side
    14,140.30x = 159,462,660.87
  5. Step 5: Solve for x
    x = 159,462,660.87/14,140.30
  6. Step 6: Final answer
    x = 11,277.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.