Home / 12,853.40-19,226.78-12,066.08

Finding the Fourth Proportional to 12,853.40, 19,226.78 and 12,066.08

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Solution

The fourth proportional to 12,853.40, 19,226.78 and 12,066.08 is: 18,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.40 : 19,226.78 = 12,066.08 : x
  2. Step 2: Convert to fraction form
    12,853.40/19,226.78 = 12,066.08/x
  3. Step 3: Cross multiply
    12,853.40x = 19,226.78 × 12,066.08
  4. Step 4: Simplify right side
    12,853.40x = 231,991,709.16
  5. Step 5: Solve for x
    x = 231,991,709.16/12,853.40
  6. Step 6: Final answer
    x = 18,049.06

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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.