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Finding the Fourth Proportional to 12,273.52, 16,937.07 and 7,238.05

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Solution

The fourth proportional to 12,273.52, 16,937.07 and 7,238.05 is: 9,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.52 : 16,937.07 = 7,238.05 : x
  2. Step 2: Convert to fraction form
    12,273.52/16,937.07 = 7,238.05/x
  3. Step 3: Cross multiply
    12,273.52x = 16,937.07 × 7,238.05
  4. Step 4: Simplify right side
    12,273.52x = 122,591,359.51
  5. Step 5: Solve for x
    x = 122,591,359.51/12,273.52
  6. Step 6: Final answer
    x = 9,988.28

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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.