Home / 12,635.19-18,952.83-12,330.72

Finding the Fourth Proportional to 12,635.19, 18,952.83 and 12,330.72

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Solution

The fourth proportional to 12,635.19, 18,952.83 and 12,330.72 is: 18,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.19 : 18,952.83 = 12,330.72 : x
  2. Step 2: Convert to fraction form
    12,635.19/18,952.83 = 12,330.72/x
  3. Step 3: Cross multiply
    12,635.19x = 18,952.83 × 12,330.72
  4. Step 4: Simplify right side
    12,635.19x = 233,702,039.94
  5. Step 5: Solve for x
    x = 233,702,039.94/12,635.19
  6. Step 6: Final answer
    x = 18,496.12

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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.