Home / 12,646.02-17,450.64-7,609.26

Finding the Fourth Proportional to 12,646.02, 17,450.64 and 7,609.26

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Solution

The fourth proportional to 12,646.02, 17,450.64 and 7,609.26 is: 10,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.02 : 17,450.64 = 7,609.26 : x
  2. Step 2: Convert to fraction form
    12,646.02/17,450.64 = 7,609.26/x
  3. Step 3: Cross multiply
    12,646.02x = 17,450.64 × 7,609.26
  4. Step 4: Simplify right side
    12,646.02x = 132,786,456.93
  5. Step 5: Solve for x
    x = 132,786,456.93/12,646.02
  6. Step 6: Final answer
    x = 10,500.26

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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.