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Finding the Fourth Proportional to 18,295.00, 27,442.08 and 8,434.26

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Solution

The fourth proportional to 18,295.00, 27,442.08 and 8,434.26 is: 12,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.00 : 27,442.08 = 8,434.26 : x
  2. Step 2: Convert to fraction form
    18,295.00/27,442.08 = 8,434.26/x
  3. Step 3: Cross multiply
    18,295.00x = 27,442.08 × 8,434.26
  4. Step 4: Simplify right side
    18,295.00x = 231,453,637.66
  5. Step 5: Solve for x
    x = 231,453,637.66/18,295.00
  6. Step 6: Final answer
    x = 12,651.20

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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.