Home / 22,444.32-30,971.70-12,372.21

Finding the Fourth Proportional to 22,444.32, 30,971.70 and 12,372.21

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Solution

The fourth proportional to 22,444.32, 30,971.70 and 12,372.21 is: 17,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.32 : 30,971.70 = 12,372.21 : x
  2. Step 2: Convert to fraction form
    22,444.32/30,971.70 = 12,372.21/x
  3. Step 3: Cross multiply
    22,444.32x = 30,971.70 × 12,372.21
  4. Step 4: Simplify right side
    22,444.32x = 383,188,376.46
  5. Step 5: Solve for x
    x = 383,188,376.46/22,444.32
  6. Step 6: Final answer
    x = 17,072.84

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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.