Home / 19,928.37-27,501.23-11,970.73

Finding the Fourth Proportional to 19,928.37, 27,501.23 and 11,970.73

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Solution

The fourth proportional to 19,928.37, 27,501.23 and 11,970.73 is: 16,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.37 : 27,501.23 = 11,970.73 : x
  2. Step 2: Convert to fraction form
    19,928.37/27,501.23 = 11,970.73/x
  3. Step 3: Cross multiply
    19,928.37x = 27,501.23 × 11,970.73
  4. Step 4: Simplify right side
    19,928.37x = 329,209,799.00
  5. Step 5: Solve for x
    x = 329,209,799.00/19,928.37
  6. Step 6: Final answer
    x = 16,519.66

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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.