Home / 22,376.37-30,878.74-12,304.80

Finding the Fourth Proportional to 22,376.37, 30,878.74 and 12,304.80

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Solution

The fourth proportional to 22,376.37, 30,878.74 and 12,304.80 is: 16,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.37 : 30,878.74 = 12,304.80 : x
  2. Step 2: Convert to fraction form
    22,376.37/30,878.74 = 12,304.80/x
  3. Step 3: Cross multiply
    22,376.37x = 30,878.74 × 12,304.80
  4. Step 4: Simplify right side
    22,376.37x = 379,956,719.95
  5. Step 5: Solve for x
    x = 379,956,719.95/22,376.37
  6. Step 6: Final answer
    x = 16,980.27

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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.