Home / 22,946.13-31,665.16-12,874.39

Finding the Fourth Proportional to 22,946.13, 31,665.16 and 12,874.39

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Solution

The fourth proportional to 22,946.13, 31,665.16 and 12,874.39 is: 17,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.13 : 31,665.16 = 12,874.39 : x
  2. Step 2: Convert to fraction form
    22,946.13/31,665.16 = 12,874.39/x
  3. Step 3: Cross multiply
    22,946.13x = 31,665.16 × 12,874.39
  4. Step 4: Simplify right side
    22,946.13x = 407,669,619.25
  5. Step 5: Solve for x
    x = 407,669,619.25/22,946.13
  6. Step 6: Final answer
    x = 17,766.38

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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.