Home / 22,660.30-31,270.74-12,588.26

Finding the Fourth Proportional to 22,660.30, 31,270.74 and 12,588.26

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Solution

The fourth proportional to 22,660.30, 31,270.74 and 12,588.26 is: 17,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.30 : 31,270.74 = 12,588.26 : x
  2. Step 2: Convert to fraction form
    22,660.30/31,270.74 = 12,588.26/x
  3. Step 3: Cross multiply
    22,660.30x = 31,270.74 × 12,588.26
  4. Step 4: Simplify right side
    22,660.30x = 393,644,205.51
  5. Step 5: Solve for x
    x = 393,644,205.51/22,660.30
  6. Step 6: Final answer
    x = 17,371.54

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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.