Home / 22,623.39-31,220.37-12,551.81

Finding the Fourth Proportional to 22,623.39, 31,220.37 and 12,551.81

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Solution

The fourth proportional to 22,623.39, 31,220.37 and 12,551.81 is: 17,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.39 : 31,220.37 = 12,551.81 : x
  2. Step 2: Convert to fraction form
    22,623.39/31,220.37 = 12,551.81/x
  3. Step 3: Cross multiply
    22,623.39x = 31,220.37 × 12,551.81
  4. Step 4: Simplify right side
    22,623.39x = 391,871,996.27
  5. Step 5: Solve for x
    x = 391,871,996.27/22,623.39
  6. Step 6: Final answer
    x = 17,321.54

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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.