Home / 11,570.80-17,330.26-8,965.84

Finding the Fourth Proportional to 11,570.80, 17,330.26 and 8,965.84

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Solution

The fourth proportional to 11,570.80, 17,330.26 and 8,965.84 is: 13,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.80 : 17,330.26 = 8,965.84 : x
  2. Step 2: Convert to fraction form
    11,570.80/17,330.26 = 8,965.84/x
  3. Step 3: Cross multiply
    11,570.80x = 17,330.26 × 8,965.84
  4. Step 4: Simplify right side
    11,570.80x = 155,380,338.32
  5. Step 5: Solve for x
    x = 155,380,338.32/11,570.80
  6. Step 6: Final answer
    x = 13,428.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.