Home / 21,622.84-29,839.55-12,063.35

Finding the Fourth Proportional to 21,622.84, 29,839.55 and 12,063.35

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Solution

The fourth proportional to 21,622.84, 29,839.55 and 12,063.35 is: 16,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.84 : 29,839.55 = 12,063.35 : x
  2. Step 2: Convert to fraction form
    21,622.84/29,839.55 = 12,063.35/x
  3. Step 3: Cross multiply
    21,622.84x = 29,839.55 × 12,063.35
  4. Step 4: Simplify right side
    21,622.84x = 359,964,935.49
  5. Step 5: Solve for x
    x = 359,964,935.49/21,622.84
  6. Step 6: Final answer
    x = 16,647.44

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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.