Home / 19,809.49-27,337.26-10,857.82

Finding the Fourth Proportional to 19,809.49, 27,337.26 and 10,857.82

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Solution

The fourth proportional to 19,809.49, 27,337.26 and 10,857.82 is: 14,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.49 : 27,337.26 = 10,857.82 : x
  2. Step 2: Convert to fraction form
    19,809.49/27,337.26 = 10,857.82/x
  3. Step 3: Cross multiply
    19,809.49x = 27,337.26 × 10,857.82
  4. Step 4: Simplify right side
    19,809.49x = 296,823,048.37
  5. Step 5: Solve for x
    x = 296,823,048.37/19,809.49
  6. Step 6: Final answer
    x = 14,983.88

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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.