Home / 22,433.90-30,963.51-12,875.33

Finding the Fourth Proportional to 22,433.90, 30,963.51 and 12,875.33

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Solution

The fourth proportional to 22,433.90, 30,963.51 and 12,875.33 is: 17,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.90 : 30,963.51 = 12,875.33 : x
  2. Step 2: Convert to fraction form
    22,433.90/30,963.51 = 12,875.33/x
  3. Step 3: Cross multiply
    22,433.90x = 30,963.51 × 12,875.33
  4. Step 4: Simplify right side
    22,433.90x = 398,665,486.62
  5. Step 5: Solve for x
    x = 398,665,486.62/22,433.90
  6. Step 6: Final answer
    x = 17,770.68

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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.