Home / 16,213.90-22,363.37-12,394.17

Finding the Fourth Proportional to 16,213.90, 22,363.37 and 12,394.17

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Solution

The fourth proportional to 16,213.90, 22,363.37 and 12,394.17 is: 17,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.90 : 22,363.37 = 12,394.17 : x
  2. Step 2: Convert to fraction form
    16,213.90/22,363.37 = 12,394.17/x
  3. Step 3: Cross multiply
    16,213.90x = 22,363.37 × 12,394.17
  4. Step 4: Simplify right side
    16,213.90x = 277,175,394.06
  5. Step 5: Solve for x
    x = 277,175,394.06/16,213.90
  6. Step 6: Final answer
    x = 17,094.93

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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.