Home / 22,678.37-31,296.32-12,469.59

Finding the Fourth Proportional to 22,678.37, 31,296.32 and 12,469.59

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Solution

The fourth proportional to 22,678.37, 31,296.32 and 12,469.59 is: 17,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.37 : 31,296.32 = 12,469.59 : x
  2. Step 2: Convert to fraction form
    22,678.37/31,296.32 = 12,469.59/x
  3. Step 3: Cross multiply
    22,678.37x = 31,296.32 × 12,469.59
  4. Step 4: Simplify right side
    22,678.37x = 390,252,310.08
  5. Step 5: Solve for x
    x = 390,252,310.08/22,678.37
  6. Step 6: Final answer
    x = 17,208.13

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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.