Home / 22,319.48-30,802.84-12,249.88

Finding the Fourth Proportional to 22,319.48, 30,802.84 and 12,249.88

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Solution

The fourth proportional to 22,319.48, 30,802.84 and 12,249.88 is: 16,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.48 : 30,802.84 = 12,249.88 : x
  2. Step 2: Convert to fraction form
    22,319.48/30,802.84 = 12,249.88/x
  3. Step 3: Cross multiply
    22,319.48x = 30,802.84 × 12,249.88
  4. Step 4: Simplify right side
    22,319.48x = 377,330,986.03
  5. Step 5: Solve for x
    x = 377,330,986.03/22,319.48
  6. Step 6: Final answer
    x = 16,905.90

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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.