Home / 19,927.87-27,500.54-11,970.23

Finding the Fourth Proportional to 19,927.87, 27,500.54 and 11,970.23

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Solution

The fourth proportional to 19,927.87, 27,500.54 and 11,970.23 is: 16,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.87 : 27,500.54 = 11,970.23 : x
  2. Step 2: Convert to fraction form
    19,927.87/27,500.54 = 11,970.23/x
  3. Step 3: Cross multiply
    19,927.87x = 27,500.54 × 11,970.23
  4. Step 4: Simplify right side
    19,927.87x = 329,187,788.92
  5. Step 5: Solve for x
    x = 329,187,788.92/19,927.87
  6. Step 6: Final answer
    x = 16,518.97

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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.