Home / 22,675.25-31,293.23-12,603.75

Finding the Fourth Proportional to 22,675.25, 31,293.23 and 12,603.75

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Solution

The fourth proportional to 22,675.25, 31,293.23 and 12,603.75 is: 17,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.25 : 31,293.23 = 12,603.75 : x
  2. Step 2: Convert to fraction form
    22,675.25/31,293.23 = 12,603.75/x
  3. Step 3: Cross multiply
    22,675.25x = 31,293.23 × 12,603.75
  4. Step 4: Simplify right side
    22,675.25x = 394,412,047.61
  5. Step 5: Solve for x
    x = 394,412,047.61/22,675.25
  6. Step 6: Final answer
    x = 17,393.94

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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.