Home / 22,539.09-31,103.35-12,467.28

Finding the Fourth Proportional to 22,539.09, 31,103.35 and 12,467.28

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Solution

The fourth proportional to 22,539.09, 31,103.35 and 12,467.28 is: 17,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.09 : 31,103.35 = 12,467.28 : x
  2. Step 2: Convert to fraction form
    22,539.09/31,103.35 = 12,467.28/x
  3. Step 3: Cross multiply
    22,539.09x = 31,103.35 × 12,467.28
  4. Step 4: Simplify right side
    22,539.09x = 387,774,173.39
  5. Step 5: Solve for x
    x = 387,774,173.39/22,539.09
  6. Step 6: Final answer
    x = 17,204.52

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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.