Home / 19,726.60-29,596.80-12,322.39

Finding the Fourth Proportional to 19,726.60, 29,596.80 and 12,322.39

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Solution

The fourth proportional to 19,726.60, 29,596.80 and 12,322.39 is: 18,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.60 : 29,596.80 = 12,322.39 : x
  2. Step 2: Convert to fraction form
    19,726.60/29,596.80 = 12,322.39/x
  3. Step 3: Cross multiply
    19,726.60x = 29,596.80 × 12,322.39
  4. Step 4: Simplify right side
    19,726.60x = 364,703,284.57
  5. Step 5: Solve for x
    x = 364,703,284.57/19,726.60
  6. Step 6: Final answer
    x = 18,487.90

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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.