Home / 22,436.40-30,961.92-12,364.80

Finding the Fourth Proportional to 22,436.40, 30,961.92 and 12,364.80

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Solution

The fourth proportional to 22,436.40, 30,961.92 and 12,364.80 is: 17,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.40 : 30,961.92 = 12,364.80 : x
  2. Step 2: Convert to fraction form
    22,436.40/30,961.92 = 12,364.80/x
  3. Step 3: Cross multiply
    22,436.40x = 30,961.92 × 12,364.80
  4. Step 4: Simplify right side
    22,436.40x = 382,837,948.42
  5. Step 5: Solve for x
    x = 382,837,948.42/22,436.40
  6. Step 6: Final answer
    x = 17,063.25

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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.