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Finding the Fourth Proportional to 12,903.08, 17,805.17 and 7,237.04

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Solution

The fourth proportional to 12,903.08, 17,805.17 and 7,237.04 is: 9,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.08 : 17,805.17 = 7,237.04 : x
  2. Step 2: Convert to fraction form
    12,903.08/17,805.17 = 7,237.04/x
  3. Step 3: Cross multiply
    12,903.08x = 17,805.17 × 7,237.04
  4. Step 4: Simplify right side
    12,903.08x = 128,856,656.56
  5. Step 5: Solve for x
    x = 128,856,656.56/12,903.08
  6. Step 6: Final answer
    x = 9,986.51

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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.