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Finding the Fourth Proportional to 13,063.40, 18,027.42 and 7,095.02

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Solution

The fourth proportional to 13,063.40, 18,027.42 and 7,095.02 is: 9,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.40 : 18,027.42 = 7,095.02 : x
  2. Step 2: Convert to fraction form
    13,063.40/18,027.42 = 7,095.02/x
  3. Step 3: Cross multiply
    13,063.40x = 18,027.42 × 7,095.02
  4. Step 4: Simplify right side
    13,063.40x = 127,904,905.45
  5. Step 5: Solve for x
    x = 127,904,905.45/13,063.40
  6. Step 6: Final answer
    x = 9,791.09

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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.