Home / 22,469.51-31,007.84-12,398.58

Finding the Fourth Proportional to 22,469.51, 31,007.84 and 12,398.58

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Solution

The fourth proportional to 22,469.51, 31,007.84 and 12,398.58 is: 17,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.51 : 31,007.84 = 12,398.58 : x
  2. Step 2: Convert to fraction form
    22,469.51/31,007.84 = 12,398.58/x
  3. Step 3: Cross multiply
    22,469.51x = 31,007.84 × 12,398.58
  4. Step 4: Simplify right side
    22,469.51x = 384,453,122.87
  5. Step 5: Solve for x
    x = 384,453,122.87/22,469.51
  6. Step 6: Final answer
    x = 17,110.00

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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.