Home / 22,459.34-30,992.46-12,387.22

Finding the Fourth Proportional to 22,459.34, 30,992.46 and 12,387.22

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Solution

The fourth proportional to 22,459.34, 30,992.46 and 12,387.22 is: 17,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.34 : 30,992.46 = 12,387.22 : x
  2. Step 2: Convert to fraction form
    22,459.34/30,992.46 = 12,387.22/x
  3. Step 3: Cross multiply
    22,459.34x = 30,992.46 × 12,387.22
  4. Step 4: Simplify right side
    22,459.34x = 383,910,420.36
  5. Step 5: Solve for x
    x = 383,910,420.36/22,459.34
  6. Step 6: Final answer
    x = 17,093.58

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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.