Home / 12,274.12-18,450.06-10,563.40

Finding the Fourth Proportional to 12,274.12, 18,450.06 and 10,563.40

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Solution

The fourth proportional to 12,274.12, 18,450.06 and 10,563.40 is: 15,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.12 : 18,450.06 = 10,563.40 : x
  2. Step 2: Convert to fraction form
    12,274.12/18,450.06 = 10,563.40/x
  3. Step 3: Cross multiply
    12,274.12x = 18,450.06 × 10,563.40
  4. Step 4: Simplify right side
    12,274.12x = 194,895,363.80
  5. Step 5: Solve for x
    x = 194,895,363.80/12,274.12
  6. Step 6: Final answer
    x = 15,878.56

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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.