Home / 8,677.03-11,965.35-7,422.24

Finding the Fourth Proportional to 8,677.03, 11,965.35 and 7,422.24

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Solution

The fourth proportional to 8,677.03, 11,965.35 and 7,422.24 is: 10,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.03 : 11,965.35 = 7,422.24 : x
  2. Step 2: Convert to fraction form
    8,677.03/11,965.35 = 7,422.24/x
  3. Step 3: Cross multiply
    8,677.03x = 11,965.35 × 7,422.24
  4. Step 4: Simplify right side
    8,677.03x = 88,809,618.94
  5. Step 5: Solve for x
    x = 88,809,618.94/8,677.03
  6. Step 6: Final answer
    x = 10,235.03

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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.