Home / 19,394.60-29,087.79-8,861.63

Finding the Fourth Proportional to 19,394.60, 29,087.79 and 8,861.63

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Solution

The fourth proportional to 19,394.60, 29,087.79 and 8,861.63 is: 13,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.60 : 29,087.79 = 8,861.63 : x
  2. Step 2: Convert to fraction form
    19,394.60/29,087.79 = 8,861.63/x
  3. Step 3: Cross multiply
    19,394.60x = 29,087.79 × 8,861.63
  4. Step 4: Simplify right side
    19,394.60x = 257,765,087.06
  5. Step 5: Solve for x
    x = 257,765,087.06/19,394.60
  6. Step 6: Final answer
    x = 13,290.56

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1.5x scale

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.