Home / 19,611.76-27,064.39-10,659.26

Finding the Fourth Proportional to 19,611.76, 27,064.39 and 10,659.26

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Solution

The fourth proportional to 19,611.76, 27,064.39 and 10,659.26 is: 14,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.76 : 27,064.39 = 10,659.26 : x
  2. Step 2: Convert to fraction form
    19,611.76/27,064.39 = 10,659.26/x
  3. Step 3: Cross multiply
    19,611.76x = 27,064.39 × 10,659.26
  4. Step 4: Simplify right side
    19,611.76x = 288,486,331.56
  5. Step 5: Solve for x
    x = 288,486,331.56/19,611.76
  6. Step 6: Final answer
    x = 14,709.87

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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.