Home / 22,648.82-31,252.37-12,574.58

Finding the Fourth Proportional to 22,648.82, 31,252.37 and 12,574.58

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Solution

The fourth proportional to 22,648.82, 31,252.37 and 12,574.58 is: 17,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.82 : 31,252.37 = 12,574.58 : x
  2. Step 2: Convert to fraction form
    22,648.82/31,252.37 = 12,574.58/x
  3. Step 3: Cross multiply
    22,648.82x = 31,252.37 × 12,574.58
  4. Step 4: Simplify right side
    22,648.82x = 392,985,207.62
  5. Step 5: Solve for x
    x = 392,985,207.62/22,648.82
  6. Step 6: Final answer
    x = 17,351.25

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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.