Home / 12,764.67-17,623.80-9,775.16

Finding the Fourth Proportional to 12,764.67, 17,623.80 and 9,775.16

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Solution

The fourth proportional to 12,764.67, 17,623.80 and 9,775.16 is: 13,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.67 : 17,623.80 = 9,775.16 : x
  2. Step 2: Convert to fraction form
    12,764.67/17,623.80 = 9,775.16/x
  3. Step 3: Cross multiply
    12,764.67x = 17,623.80 × 9,775.16
  4. Step 4: Simplify right side
    12,764.67x = 172,275,376.69
  5. Step 5: Solve for x
    x = 172,275,376.69/12,764.67
  6. Step 6: Final answer
    x = 13,496.27

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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.