Home / 19,621.87-27,073.44-12,449.17

Finding the Fourth Proportional to 19,621.87, 27,073.44 and 12,449.17

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Solution

The fourth proportional to 19,621.87, 27,073.44 and 12,449.17 is: 17,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.87 : 27,073.44 = 12,449.17 : x
  2. Step 2: Convert to fraction form
    19,621.87/27,073.44 = 12,449.17/x
  3. Step 3: Cross multiply
    19,621.87x = 27,073.44 × 12,449.17
  4. Step 4: Simplify right side
    19,621.87x = 337,041,857.04
  5. Step 5: Solve for x
    x = 337,041,857.04/19,621.87
  6. Step 6: Final answer
    x = 17,176.85

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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.