Home / 12,244.84-18,338.08-6,689.88

Finding the Fourth Proportional to 12,244.84, 18,338.08 and 6,689.88

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Solution

The fourth proportional to 12,244.84, 18,338.08 and 6,689.88 is: 10,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.84 : 18,338.08 = 6,689.88 : x
  2. Step 2: Convert to fraction form
    12,244.84/18,338.08 = 6,689.88/x
  3. Step 3: Cross multiply
    12,244.84x = 18,338.08 × 6,689.88
  4. Step 4: Simplify right side
    12,244.84x = 122,679,554.63
  5. Step 5: Solve for x
    x = 122,679,554.63/12,244.84
  6. Step 6: Final answer
    x = 10,018.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.