Home / 22,206.49-30,645.35-12,135.35

Finding the Fourth Proportional to 22,206.49, 30,645.35 and 12,135.35

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Solution

The fourth proportional to 22,206.49, 30,645.35 and 12,135.35 is: 16,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.49 : 30,645.35 = 12,135.35 : x
  2. Step 2: Convert to fraction form
    22,206.49/30,645.35 = 12,135.35/x
  3. Step 3: Cross multiply
    22,206.49x = 30,645.35 × 12,135.35
  4. Step 4: Simplify right side
    22,206.49x = 371,892,101.60
  5. Step 5: Solve for x
    x = 371,892,101.60/22,206.49
  6. Step 6: Final answer
    x = 16,747.00

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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.