Home / 19,809.24-27,336.92-10,857.57

Finding the Fourth Proportional to 19,809.24, 27,336.92 and 10,857.57

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Solution

The fourth proportional to 19,809.24, 27,336.92 and 10,857.57 is: 14,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.24 : 27,336.92 = 10,857.57 : x
  2. Step 2: Convert to fraction form
    19,809.24/27,336.92 = 10,857.57/x
  3. Step 3: Cross multiply
    19,809.24x = 27,336.92 × 10,857.57
  4. Step 4: Simplify right side
    19,809.24x = 296,812,468.20
  5. Step 5: Solve for x
    x = 296,812,468.20/19,809.24
  6. Step 6: Final answer
    x = 14,983.54

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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.