Home / 11,679.59-17,496.80-9,782.96

Finding the Fourth Proportional to 11,679.59, 17,496.80 and 9,782.96

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Solution

The fourth proportional to 11,679.59, 17,496.80 and 9,782.96 is: 14,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.59 : 17,496.80 = 9,782.96 : x
  2. Step 2: Convert to fraction form
    11,679.59/17,496.80 = 9,782.96/x
  3. Step 3: Cross multiply
    11,679.59x = 17,496.80 × 9,782.96
  4. Step 4: Simplify right side
    11,679.59x = 171,170,494.53
  5. Step 5: Solve for x
    x = 171,170,494.53/11,679.59
  6. Step 6: Final answer
    x = 14,655.52

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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.