Home / 13,958.40-19,260.76-8,583.62

Finding the Fourth Proportional to 13,958.40, 19,260.76 and 8,583.62

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Solution

The fourth proportional to 13,958.40, 19,260.76 and 8,583.62 is: 11,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.40 : 19,260.76 = 8,583.62 : x
  2. Step 2: Convert to fraction form
    13,958.40/19,260.76 = 8,583.62/x
  3. Step 3: Cross multiply
    13,958.40x = 19,260.76 × 8,583.62
  4. Step 4: Simplify right side
    13,958.40x = 165,327,044.75
  5. Step 5: Solve for x
    x = 165,327,044.75/13,958.40
  6. Step 6: Final answer
    x = 11,844.27

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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.