Home / 21,594.97-29,802.07-12,645.35

Finding the Fourth Proportional to 21,594.97, 29,802.07 and 12,645.35

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Solution

The fourth proportional to 21,594.97, 29,802.07 and 12,645.35 is: 17,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.97 : 29,802.07 = 12,645.35 : x
  2. Step 2: Convert to fraction form
    21,594.97/29,802.07 = 12,645.35/x
  3. Step 3: Cross multiply
    21,594.97x = 29,802.07 × 12,645.35
  4. Step 4: Simplify right side
    21,594.97x = 376,857,632.68
  5. Step 5: Solve for x
    x = 376,857,632.68/21,594.97
  6. Step 6: Final answer
    x = 17,451.18

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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.