Home / 22,440.69-30,966.84-12,367.13

Finding the Fourth Proportional to 22,440.69, 30,966.84 and 12,367.13

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Solution

The fourth proportional to 22,440.69, 30,966.84 and 12,367.13 is: 17,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.69 : 30,966.84 = 12,367.13 : x
  2. Step 2: Convert to fraction form
    22,440.69/30,966.84 = 12,367.13/x
  3. Step 3: Cross multiply
    22,440.69x = 30,966.84 × 12,367.13
  4. Step 4: Simplify right side
    22,440.69x = 382,970,781.14
  5. Step 5: Solve for x
    x = 382,970,781.14/22,440.69
  6. Step 6: Final answer
    x = 17,065.91

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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.