Home / 14,490.28-19,996.67-8,117.09

Finding the Fourth Proportional to 14,490.28, 19,996.67 and 8,117.09

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Solution

The fourth proportional to 14,490.28, 19,996.67 and 8,117.09 is: 11,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.28 : 19,996.67 = 8,117.09 : x
  2. Step 2: Convert to fraction form
    14,490.28/19,996.67 = 8,117.09/x
  3. Step 3: Cross multiply
    14,490.28x = 19,996.67 × 8,117.09
  4. Step 4: Simplify right side
    14,490.28x = 162,314,629.52
  5. Step 5: Solve for x
    x = 162,314,629.52/14,490.28
  6. Step 6: Final answer
    x = 11,201.62

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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.