Home / 19,623.68-27,081-10,671.36

Finding the Fourth Proportional to 19,623.68, 27,081 and 10,671.36

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Solution

The fourth proportional to 19,623.68, 27,081 and 10,671.36 is: 14,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.68 : 27,081 = 10,671.36 : x
  2. Step 2: Convert to fraction form
    19,623.68/27,081 = 10,671.36/x
  3. Step 3: Cross multiply
    19,623.68x = 27,081 × 10,671.36
  4. Step 4: Simplify right side
    19,623.68x = 288,991,100.16
  5. Step 5: Solve for x
    x = 288,991,100.16/19,623.68
  6. Step 6: Final answer
    x = 14,726.65

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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.