Home / 19,221.76-26,517.70-12,047.32

Finding the Fourth Proportional to 19,221.76, 26,517.70 and 12,047.32

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Solution

The fourth proportional to 19,221.76, 26,517.70 and 12,047.32 is: 16,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.76 : 26,517.70 = 12,047.32 : x
  2. Step 2: Convert to fraction form
    19,221.76/26,517.70 = 12,047.32/x
  3. Step 3: Cross multiply
    19,221.76x = 26,517.70 × 12,047.32
  4. Step 4: Simplify right side
    19,221.76x = 319,467,217.56
  5. Step 5: Solve for x
    x = 319,467,217.56/19,221.76
  6. Step 6: Final answer
    x = 16,620.08

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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.