Home / 14,605.43-20,158.11-13,939.84

Finding the Fourth Proportional to 14,605.43, 20,158.11 and 13,939.84

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Solution

The fourth proportional to 14,605.43, 20,158.11 and 13,939.84 is: 19,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.43 : 20,158.11 = 13,939.84 : x
  2. Step 2: Convert to fraction form
    14,605.43/20,158.11 = 13,939.84/x
  3. Step 3: Cross multiply
    14,605.43x = 20,158.11 × 13,939.84
  4. Step 4: Simplify right side
    14,605.43x = 281,000,853.30
  5. Step 5: Solve for x
    x = 281,000,853.30/14,605.43
  6. Step 6: Final answer
    x = 19,239.48

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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.