Home / 21,764.84-30,034.20-12,333.20

Finding the Fourth Proportional to 21,764.84, 30,034.20 and 12,333.20

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Solution

The fourth proportional to 21,764.84, 30,034.20 and 12,333.20 is: 17,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.84 : 30,034.20 = 12,333.20 : x
  2. Step 2: Convert to fraction form
    21,764.84/30,034.20 = 12,333.20/x
  3. Step 3: Cross multiply
    21,764.84x = 30,034.20 × 12,333.20
  4. Step 4: Simplify right side
    21,764.84x = 370,417,795.44
  5. Step 5: Solve for x
    x = 370,417,795.44/21,764.84
  6. Step 6: Final answer
    x = 17,019.09

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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.