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Finding the Fourth Proportional to 17,276.90, 25,873.81 and 9,858.87

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Solution

The fourth proportional to 17,276.90, 25,873.81 and 9,858.87 is: 14,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.90 : 25,873.81 = 9,858.87 : x
  2. Step 2: Convert to fraction form
    17,276.90/25,873.81 = 9,858.87/x
  3. Step 3: Cross multiply
    17,276.90x = 25,873.81 × 9,858.87
  4. Step 4: Simplify right side
    17,276.90x = 255,086,529.19
  5. Step 5: Solve for x
    x = 255,086,529.19/17,276.90
  6. Step 6: Final answer
    x = 14,764.60

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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.