Home / 22,518.36-31,073.40-12,954.96

Finding the Fourth Proportional to 22,518.36, 31,073.40 and 12,954.96

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Solution

The fourth proportional to 22,518.36, 31,073.40 and 12,954.96 is: 17,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.36 : 31,073.40 = 12,954.96 : x
  2. Step 2: Convert to fraction form
    22,518.36/31,073.40 = 12,954.96/x
  3. Step 3: Cross multiply
    22,518.36x = 31,073.40 × 12,954.96
  4. Step 4: Simplify right side
    22,518.36x = 402,554,654.06
  5. Step 5: Solve for x
    x = 402,554,654.06/22,518.36
  6. Step 6: Final answer
    x = 17,876.73

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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.