Home / 22,467.51-31,005.45-12,396.36

Finding the Fourth Proportional to 22,467.51, 31,005.45 and 12,396.36

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Solution

The fourth proportional to 22,467.51, 31,005.45 and 12,396.36 is: 17,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.51 : 31,005.45 = 12,396.36 : x
  2. Step 2: Convert to fraction form
    22,467.51/31,005.45 = 12,396.36/x
  3. Step 3: Cross multiply
    22,467.51x = 31,005.45 × 12,396.36
  4. Step 4: Simplify right side
    22,467.51x = 384,354,720.16
  5. Step 5: Solve for x
    x = 384,354,720.16/22,467.51
  6. Step 6: Final answer
    x = 17,107.13

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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.