Home / 22,291.62-30,762.30-12,220.49

Finding the Fourth Proportional to 22,291.62, 30,762.30 and 12,220.49

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Solution

The fourth proportional to 22,291.62, 30,762.30 and 12,220.49 is: 16,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.62 : 30,762.30 = 12,220.49 : x
  2. Step 2: Convert to fraction form
    22,291.62/30,762.30 = 12,220.49/x
  3. Step 3: Cross multiply
    22,291.62x = 30,762.30 × 12,220.49
  4. Step 4: Simplify right side
    22,291.62x = 375,930,225.72
  5. Step 5: Solve for x
    x = 375,930,225.72/22,291.62
  6. Step 6: Final answer
    x = 16,864.19

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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.