Home / 14,679.43-20,238.71-11,988.05

Finding the Fourth Proportional to 14,679.43, 20,238.71 and 11,988.05

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Solution

The fourth proportional to 14,679.43, 20,238.71 and 11,988.05 is: 16,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.43 : 20,238.71 = 11,988.05 : x
  2. Step 2: Convert to fraction form
    14,679.43/20,238.71 = 11,988.05/x
  3. Step 3: Cross multiply
    14,679.43x = 20,238.71 × 11,988.05
  4. Step 4: Simplify right side
    14,679.43x = 242,622,687.56
  5. Step 5: Solve for x
    x = 242,622,687.56/14,679.43
  6. Step 6: Final answer
    x = 16,528.08

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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.