Home / 12,900.07-17,805.03-7,596.60

Finding the Fourth Proportional to 12,900.07, 17,805.03 and 7,596.60

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Solution

The fourth proportional to 12,900.07, 17,805.03 and 7,596.60 is: 10,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.07 : 17,805.03 = 7,596.60 : x
  2. Step 2: Convert to fraction form
    12,900.07/17,805.03 = 7,596.60/x
  3. Step 3: Cross multiply
    12,900.07x = 17,805.03 × 7,596.60
  4. Step 4: Simplify right side
    12,900.07x = 135,257,690.90
  5. Step 5: Solve for x
    x = 135,257,690.90/12,900.07
  6. Step 6: Final answer
    x = 10,485.04

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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.