Home / 19,659.04-29,494.60-11,770.45

Finding the Fourth Proportional to 19,659.04, 29,494.60 and 11,770.45

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Solution

The fourth proportional to 19,659.04, 29,494.60 and 11,770.45 is: 17,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.04 : 29,494.60 = 11,770.45 : x
  2. Step 2: Convert to fraction form
    19,659.04/29,494.60 = 11,770.45/x
  3. Step 3: Cross multiply
    19,659.04x = 29,494.60 × 11,770.45
  4. Step 4: Simplify right side
    19,659.04x = 347,164,611.41
  5. Step 5: Solve for x
    x = 347,164,611.41/19,659.04
  6. Step 6: Final answer
    x = 17,659.29

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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.