Home / 22,431.54-30,955.90-12,360.58

Finding the Fourth Proportional to 22,431.54, 30,955.90 and 12,360.58

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Solution

The fourth proportional to 22,431.54, 30,955.90 and 12,360.58 is: 17,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.54 : 30,955.90 = 12,360.58 : x
  2. Step 2: Convert to fraction form
    22,431.54/30,955.90 = 12,360.58/x
  3. Step 3: Cross multiply
    22,431.54x = 30,955.90 × 12,360.58
  4. Step 4: Simplify right side
    22,431.54x = 382,632,878.42
  5. Step 5: Solve for x
    x = 382,632,878.42/22,431.54
  6. Step 6: Final answer
    x = 17,057.81

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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.