Home / 22,395.94-30,905.85-12,324.25

Finding the Fourth Proportional to 22,395.94, 30,905.85 and 12,324.25

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Solution

The fourth proportional to 22,395.94, 30,905.85 and 12,324.25 is: 17,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.94 : 30,905.85 = 12,324.25 : x
  2. Step 2: Convert to fraction form
    22,395.94/30,905.85 = 12,324.25/x
  3. Step 3: Cross multiply
    22,395.94x = 30,905.85 × 12,324.25
  4. Step 4: Simplify right side
    22,395.94x = 380,891,506.71
  5. Step 5: Solve for x
    x = 380,891,506.71/22,395.94
  6. Step 6: Final answer
    x = 17,007.17

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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.