Home / 22,319.84-30,801.42-12,249.16

Finding the Fourth Proportional to 22,319.84, 30,801.42 and 12,249.16

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Solution

The fourth proportional to 22,319.84, 30,801.42 and 12,249.16 is: 16,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.84 : 30,801.42 = 12,249.16 : x
  2. Step 2: Convert to fraction form
    22,319.84/30,801.42 = 12,249.16/x
  3. Step 3: Cross multiply
    22,319.84x = 30,801.42 × 12,249.16
  4. Step 4: Simplify right side
    22,319.84x = 377,291,521.81
  5. Step 5: Solve for x
    x = 377,291,521.81/22,319.84
  6. Step 6: Final answer
    x = 16,903.86

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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.