Home / 22,372.49-30,874.77-12,301.67

Finding the Fourth Proportional to 22,372.49, 30,874.77 and 12,301.67

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Solution

The fourth proportional to 22,372.49, 30,874.77 and 12,301.67 is: 16,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.49 : 30,874.77 = 12,301.67 : x
  2. Step 2: Convert to fraction form
    22,372.49/30,874.77 = 12,301.67/x
  3. Step 3: Cross multiply
    22,372.49x = 30,874.77 × 12,301.67
  4. Step 4: Simplify right side
    22,372.49x = 379,811,077.49
  5. Step 5: Solve for x
    x = 379,811,077.49/22,372.49
  6. Step 6: Final answer
    x = 16,976.70

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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.