Home / 19,617.29-27,072.03-10,664.79

Finding the Fourth Proportional to 19,617.29, 27,072.03 and 10,664.79

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Solution

The fourth proportional to 19,617.29, 27,072.03 and 10,664.79 is: 14,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.29 : 27,072.03 = 10,664.79 : x
  2. Step 2: Convert to fraction form
    19,617.29/27,072.03 = 10,664.79/x
  3. Step 3: Cross multiply
    19,617.29x = 27,072.03 × 10,664.79
  4. Step 4: Simplify right side
    19,617.29x = 288,717,514.82
  5. Step 5: Solve for x
    x = 288,717,514.82/19,617.29
  6. Step 6: Final answer
    x = 14,717.50

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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.